Vascular plants in Minnesota, Wisconsin, Michigan, Ontario, and Manitoba
 
  Satellite images: NASA.
- still under construction -

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This website is not a guide to herbal use.  The information and illustrations found here are for scholarly, artistic, and historical purposes only.  Improper use of medicinal plants can be harmful or fatal.  Contact your trained medical practitioner for advice and information about proper and safe use of herbs.

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Family Buxaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 480

Pachysandra Michx.      pachysandra
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pachysandra terminalis Sieb. & Zucc.      Japanese pachysandra, Japanese spurge - *WI*


Compositae 3 :  347
Family Asteraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Packera A. & D. Löve      ragwort
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Packera aurea (L.) A.& D. Löve      golden ragwort, heart-leaved groundsel - *WI*
Senecio aureus L.
Senecio aureus L. var. aquilonius Fern.
Senecio aureus L. var. gracilis (Pursh) Hook.
Senecio aureus L. var. intercursus Fern.
Senecio gracilis Pursh

Packera cana (Hook.) W.A. Weber & A. Löve      woolly groundsel
Senecio canus Hook.
Senecio convallium Greenm.
Senecio hallii Britt.
Senecio harbourii Rydb.
Senecio hallii Britt. var. discoidea W.A. Weber
Senecio howellii Greene
Senecio purshianus Nutt.

Packera indecora (Greene) A.& D. Löve      elegant groundsel, plains ragwort, rayless ragwort, taller discoid groundsel - *WI*
Senecio indecorus Greene
Senecio pauciflorus Pursh var. fallax (Greenm.) Greenm.

Packera obovata (Muhl. ex Willd.) W.A. Weber & A. Löve      roundleaf ragwort
Senecio obovatus Muhl. ex Willd.
Senecio obovatus Muhl. ex Willd. var. elliottii (Torr. & Gray) Fern.
Senecio obovatus Muhl. ex Willd. var. rotundus Britt.
Senecio rotundus (Britt.) Small

Packera pauciflora (Pursh) A.& D. Löve      alpine groundsel
Senecio discoideus (Hook.) Britt.
Senecio pauciflorus Pursh

Packera paupercula (Michx.) A.& D. Löve      balsam groundsel, balsam ragwort, northern meadow groundsel, northern ragwort - *WI*
Senecio aureus L. var. balsamitae (Muhl. ex Willd.) Torr. & A.Gray (WI)
Senecio balsamitae Muhl. ex Willd.
Senecio crawfordii (Britt.) G.W. Douglas & G. Ruyle-Douglas
Senecio gaspensis Greenm.
Senecio gaspensis Greenm. var. firmifolius (Greenm.) Fern.
Senecio pauperculus Michx.
Senecio pauperculus Michx. var. balsamitae (Muhl. ex Willd.) Fern.
Senecio pauperculus Michx. var. crawfordii (Britt.) T.M. Barkl.
Senecio pauperculus Michx. var. firmifolius (Greenm.) Greenm.
Senecio pauperculus Michx. var. neoscoticus Fern.
Senecio pauperculus Michx. var. pauperculus (WI)
Senecio pauperculus Michx. var. praelongus (Greenm.) House
Senecio pauperculus Michx. var. thompsoniensis (Greenm.) Boivin
Senecio tweedyi Rydb.

Packera plattensis (Nutt.) W.A. Weber & A. Löve      Platte groundsel, prairie groundsel, prairie ragwort - *WI*
Senecio plattensis Nutt.
Senecio pseudotomentosus Mackenzie & Bush

Packera pseudaurea (Rydb.) W.A. Weber & A. Löve      falsegold groundsel, heart-leaved groundsel, western golden ragwort, western heart-leaved groundsel - *WI*
Senecio pseudaureus Rydb. (WI)

Packera pseudaurea (Rydb.) W.A. Weber & A. Löve var. semicordata (Mackenzie & Bush) T.M. Barkl., comb. nov. ined.      falsegold groundsel, false-gold groundsel, heart-leaved groundsel, western golden ragwort - *WI*
Senecio aureus L. var. semicordatus (Mackenzie & Bush) Greenm.
Senecio pseudaureus Rydb. var. semicordatus (Mackenzie & Bush) T.M. Barkl.
Senecio pseudaureus Rydb. ssp. semicordatus (Mackenzie & Bush) G.W. Douglas & G. Ruyle-Douglas
Senecio semicordatus Mackenzie & Bush


Paludella

Paludella squarrosa  [Google Images] . *MB* Uncommon to widespread and abundant throughout range; more information needed to determine status in Manitoba


Family Araliaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 616

Panax L.      ginseng
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)


Panax quinquefolium . American ginseng, ginseng - Araliaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*, *MB* Species widespread throughout range, but elements of future concern (Panax quinquefolius)
    Panax quinquefolius L.      American ginseng , photos

Panax trifolium . Dwarf ginseng, groundnut - Araliaceae *MN* native to Minnesota, *WI*
    Panax trifolius L.      dwarf ginseng


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Panicum L.      panicgrass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Panicum boreale . Northern panic grass - Poaceae *MN* native to Minnesota

Panicum capillare . common witch grass, old-witch grass, witch grass - Poaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Panicum capillare L.      witchgrass
Panicum barbipulvinatum Nash
Panicum capillare L. var. agreste Gattinger
Panicum capillare L. ssp. barbipulvinatum (Nash) Tzvelev
Panicum capillare L. var. brevifolium Vasey ex Rydb. & Shear
Panicum capillare L. var. barbipulvinatum (Nash) R.L. McGregor
Panicum capillare L. var. occidentale Rydb.

Panicum capillare L. subsp. capillare . common witch grass, old-witch grass, witch grass - *WI* * +
 Panicum barbipulvinatum Nash (WI)
Panicum capillare L. subsp. barbipulvinatum (Nash) Tzvelev (WI)
Panicum capillare L. var. barbipulvinatum (Nash) McGregor (WI)
Panicum capillare L. var. brevifolium Vasey ex Rydb. & Shear (WI)
Panicum capillare L. var. occidentale Rydb. (WI)

Panicum columbianum . Columbian panic grass - Poaceae *MN* native to Minnesota

Panicum commonsianum var. euchlamydeum . White-haired panic grass - Poaceae *MN* native to Minnesota

Panicum depauperatum . depauperate panic-grass, poor panic grass - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Panicum dichotomiflorum . Fall panic grass, knee grass - Poaceae *MN* native to Minnesota, Minn. Stat. §1505.0740, "Secondary noxious weed", *WI*
    Panicum dichotomiflorum Michx.      fall panicgrass

Panicum dichotomiflorum Michx. var. dichotomiflorum      fall panicgrass
    Panicum dichotomiflorum Michx. subsp. dichotomiflorum . fall panic grass, fall panicum, knee grass - *WI* * +
Panicum dichotomiflorum Michx. var. dichotomiflorum (WI)
Panicum dichotomiflorum Michx. var. geniculatum (Wood) Fern.
Panicum dichotomiflorum Michx. var. imperiorum Fernald (WI) 

Panicum dichotomum . Forking panic grass - Poaceae *MN* native to Minnesota

Panicum flexile (Gattinger) Scribn.      wiry panicgrass, wiry panic grass, wiry witch grass - *WI*
Panicum capillare L. var. flexile Gattinger

Panicum gattingeri Nash      Gattinger's panicgrass
Panicum capillare L. var. campestre Gattinger
Panicum philadelphicum Bernh. ex Trin. ssp. gattingeri (Nash) Freckmann & Lelong

Panicum lanuginosum . Hairy panic grass, soft millet - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Panicum lanuginosum var. fasciculatum . Hairy panic grass - Poaceae *MN* native to Minnesota

Panicum lanuginosum var. implicatum . Hairy panic grass, soft millet - Poaceae *MN* native to Minnesota, *MB* Species abundant throughout range, variety uncertain; widespread and abundant in Manitoba, but with elements of future concern

Panicum lanuginosum var. lindheimeri . White-haired panic grass - Poaceae *MN* native to Minnesota

Panicum lanuginosum var. tennesseense . Hairy panic grass - Poaceae *MN* native to Minnesota

Panicum lanuginosum var septentrionale  [Google Images] . soft millet - *MB* Species abundant throughout range, variety uncertain; widespread and abundant in Manitoba, but with elements of future concern

Panicum latifolium . Broad-leaved panic grass - Poaceae *MN* native to Minnesota

Panicum leibergii . Leiberg's panic grass - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Panicum leucothrix . Southern panic grass - Poaceae *MN* native to Minnesota

Panicum linearifolium . Linear-leaved panic grass, white-haired panic grass - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Panicum miliaceum . broom-corn millet, hog millet, panic millet, proso millet, wild proso millet - Poaceae *MN* non-native, Minn. Stat. §1505.0740, "Secondary noxious weed", *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Panicum miliaceum L.      broomcorn millet

Panicum miliaceum L. ssp. miliaceum      broomcorn millet , broom-corn millet, hog millet, panic millet, proso millet, wild proso millet - *WI*

Panicum miliaceum L. ssp. ruderale (Kitagawa) Tzvelev      broomcorn millet, broom-corn millet - *WI*

Panicum oligosanthes . few-flowered panic grass, Scribner's panic grass - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range

Panicum oligosanthes var scribnerianum  [Google Images] . few-flowered panic-grass - *MB* Species and variety abundant throughout range; more information needed to determine status in Manitoba

Panicum perlongum . Long-leaved panic grass, long-stalked panic grass - Poaceae *MN* native to Minnesota, *MB* More information needed on abundance of species throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation, more information needed

Panicum philadelphicum . Philadelphia panic grass - Poaceae *MN* native to Minnesota
    Panicum philadelphicum Bernh. ex Trin.      Philadelphia panicgrass, Philadelphia panic grass - *WI* Panicum capillare L. var. sylvaticum Torr.
Panicum lithophilum Swallen
Panicum philadelphicum Bernh. ex Trin. var. tuckermanii (Fern.) Steyermark & Schmoll
Panicum tuckermanii Fern.

Panicum philadelphicum Bernh. ex Trin.      Philadelphia panicgrass, Philadelphia panic grass - *WI* Panicum capillare L. var. sylvaticum Torr.
Panicum lithophilum Swallen
Panicum philadelphicum Bernh. ex Trin. var. tuckermanii (Fern.) Steyermark & Schmoll
Panicum tuckermanii Fern.

Panicum rigidulum Bosc ex Nees      redtop panicgrass, red-top panic grass - *WI*

Panicum rigidulum Bosc ex Nees var. pubescens (Vasey) Lelong      redtop panicgrass
Panicum anceps Michx. var. pubescens Vasey
Panicum longifolium Torr.
Panicum longifolium Torr. var. pubescens (Vasey) Fern.
Panicum longifolium Torr. var. tusketense Fern.

Panicum rigidulum Bosc. ex Nees subsp. rigidulum . red-top panic grass - *WI* * +
 Panicum agrostoides Spreng. (WI)
Panicum agrostoides Spreng. var. ramosius (C.Mohr) Fernald (WI)
Panicum elongatum Pursh var. ramosius C.Mohr (WI)
Panicum rigidulum Bosc ex Nees var. rigidulum (WI)

Panicum rigidulum Bosc ex Nees var. rigidulum      redtop panicgrass
Panicum agrostoides Spreng.
Panicum agrostoides Spreng. var. condensum (Nash) Fern.
Panicum agrostoides Spreng. var. ramosius (C. Mohr) Fern.
Panicum condensum Nash
Panicum elongatum Pursh var. ramosius C. Mohr
Panicum rigidulum Bosc ex Nees var. condensum (Nash) Mohlenbrock

Panicum verrucosum Muhl.      warty panicgrass

Panicum villosissimum . Long-haired panic grass - Poaceae *MN* native to Minnesota

Panicum virgatum . Switchgrass,  switch grass - Poaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Panicum virgatum L.      switchgrass
Panicum virgatum L. var. cubense Griseb. (WI)
Panicum virgatum L. var. obtusum A.W.Wood (WI)
Panicum virgatum L. var. virgatum (WI)

Panicum virgatum L. var. virgatum      switchgrass - *MB* Species and variety abundant throughout range; widespread and abundant in Manitoba, but with elements of future concern
Panicum virgatum L. var. cubense Griseb.
Panicum virgatum L. var. obtusum Wood

Panicum wilcoxianum . sand millet, Wilcox's panic grass - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Panicum xanthophysum . Yellow panic grass - Poaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern


Family Papaveraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 136

Papaver L.      poppy
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Papaver argemone L.      long pricklyhead poppy

Papaver orientale L.      oriental poppy - *WI*
Papaver pseudoorientale (Fedde) Medv.

Papaver rhoeas . Corn poppy, Flander's poppy, Shirley's poppy - Papaveraceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Papaver rhoeas L.      corn poppy

Papaver somniferum . Common poppy, opium poppy - Papaveraceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Papaver somniferum L.      opium poppy
Papaver somniferum L. var. setigerum auct. non (DC.) Corb.

Papaver somniferum L. subsp. setigerum (DC.) Corb. . common poppy, opium poppy - *WI* * +
Papaver setigerum DC.

Papaver ×strigosum (Boenn.) Schur (pro sp.)     


Paraleucobryum

Paraleucobryum longifolium  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba 


Family Urticaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 634

Parietaria L.      pellitory
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Parietaria judaica L.      spreading pellitory
Parietaria diffusa Mert. & Koch

Parietaria pensylvanica . Pellitory,  Pennsylvanian pellitory - Urticaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  uncommon in Manitoba, more information needed
Parietaria pensylvanica Muhl. ex Willd.      Pennsylvania pellitory
Parietaria obtusa Rydb. ex Small
Parietaria occidentalis Rydb.
Parietaria pensylvanica Muhl. ex Willd. var. obtusa (Rydb. ex Small) Shinners
Parietaria pensylvanica Muhl. ex Willd. var. pensylvanica (WI)


Parmelia

Parmelia squarrosa  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba


Parmotrema

Parmotrema cetratum  [Google Images] . *MB* More information needed on abundance of species throughout range; more information needed to determine status in Manitoba


Family Saxifragaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 214

Parnassia L.      grass of Parnassus
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Parnassia glauca . American grass-of-Parnassus, fen grass-of-Parnassus, glaucous grass-of-Parnassus - Saxifragaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Parnassia glauca Raf.      fen grass of Parnassus
Parnassia americana Muhl.
Parnassia caroliniana Michx., misapplied (WI)

Parnassia kotzebuei  [Google Images] . small grass-of-parnassus - *MB* Species widespread throughout range, but elements of future concern; widespread and abundant in Manitoba, but with elements of future concern

多枝梅花草
Parnassia multiseta  [Google Images] . northern grass-of-parnassus - *MB* Species widespread throughout range, but elements of future concern; widespread and abundant in Manitoba, but with elements of future concern

Parnassia palustris . Marsh grass-of-Parnassus, swamp grass-of-Parnassus - Saxifragaceae *MN* native to Minnesota, *WI*
    Parnassia palustris L.      marsh grass of Parnassus

Parnassia palustris L. var. parviflora (DC.) Boivin      smallflower grass of Parnassus
Parnassia parviflora DC.

Parnassia palustris L. var. tenuis Wahlenb.      marsh grass of Parnassus, marsh grass-of-Parnassus, swamp grass-of-Parnassus - *WI*
Parnassia multiseta (Ledeb.) Fern.
Parnassia palustris L. var. neogaea Fern.
Parnassia palustris L. ssp. neogaea (Fern.) Hultén

Parnassia parviflora DC. . small-flowered grass-of-Parnassus  - *WI* * + , *MB* Species widespread throughout range, but elements of future concern; very rare in Manitoba, less than 5 occurrences, vulnerable to extirpation
Parnassia palustris L. var. parviflora (DC.) B.Boivin


Family Caryophyllaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Paronychia P. Mill.      nailwort
[2:26]  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Paronychia canadensis . Canada forked chickweed,  smooth forked nail-wort, tall forked chickweed - Caryophyllaceae *MN* native to Minnesota :  Minnesota Threatened list, *WI*
    Paronychia canadensis (L.) Wood      smooth forked nailwort
Anychia canadensis (L.) B.S.P.
Anychia dichotoma Michx.
Paronychia dichotoma (Michx.) A. Nels.

Paronychia fastigiata (Raf.) Fern.      hairy forked nailwort, hairy forked nail-wort, low forked chickweed - *WI*

Paronychia fastigiata var. fastigiata . Forked chickweed,  hairy forked nail-wort, low forked chickweed - Caryophyllaceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
     Paronychia fastigiata (Raf.) Fern. var. fastigiata      hairy forked nailwort
Anychia fastigiata Raf. (WI)
Anychia polygonoides Raf.
Paronychia fastigiata (Raf.) Fern. var. typica Fern.

Paronychia fastigiata (Raf.) Fern. var. paleacea Fern.      hairy forked nailwort. hairy forked nail-wort, low forked chickweed - *WI*

Paronychia sessiliflora  [Google Images] . low nailwort - *MB* Species widespread, abundant, and apparently secure throughout range


Compositae 3 :  347
Family Asteraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)


Parthenium L.      feverfew
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Parthenium hysterophorus L.      Santa Maria feverfew
Parthenium lobatum Buckl.

Parthenium integrifolium .  American feverfew, eastern feverfew, eastern parthenium, wild quinine - Asteraceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Parthenium integrifolium L.      wild quinine
Parthenium integrifolium L. var. integrifolium (WI)

Parthenium integrifolium L. var. hispidum (Raf.) Mears      wild quinine
Parthenium hispidum Raf.
Parthenium repens Eggert

Parthenium integrifolium L. var. integrifolium      wild quinine


Family Vitaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 505

Parthenocissus Planch.      creeper
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Parthenocissus inserta  [Google Images] . large-toothed Virginia creeper - *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Parthenocissus quinquefolia .  Virginia creeper, woodbine - Vitaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Parthenocissus quinquefolia (L.) Planch.      Virginia creeper
Ampelopsis hederacea (Ehrh.) DC. var. murorum Focke
Ampelopsis latifolia Tausch
Ampelopsis quinquefolia (L.) Michx.
Hedera quinquefolia L.
Parthenocissus hirsuta (Pursh) Graebn.
Parthenocissus inserta (Kerner) Fritsch
Parthenocissus quinquefolia (L.) Planch. f. hirsuta (Pursh) Fernald (WI)
Parthenocissus quinquefolia (L.) Planch. var. hirsuta (Pursh) Planch.
Parthenocissus quinquefolia (L.) Planch. var. murorum (Focke) Rehd.
Parthenocissus quinquefolia (L.) Planch. var. quinquefolia (WI)
Parthenocissus quinquefolia (L.) Planch. var. saintpaulii (Koehne ex Graebn.) Rehd.
Parthenocissus saint-paulii Koehne & Graebn. ex Graebn. (WI)
Psedera quinquefolia (L.) Greene
Psedera quinquefolia (L.) Greene var. murorum (Focke) Rehd.
Vitis inserta Kerner
Vitis quinquefolia (L.) Lam.

Parthenocissus tricuspidata . Boston ivy - Vitaceae *MN* non-native, *WI*
    Parthenocissus tricuspidata (Sieb. & Zucc.) Planch.      Boston ivy
Ampelopsis tricuspidata Sieb. & Zucc.

Parthenocissus vitacea . grape woodbine, Virginia creeper - Vitaceae *MN* native to Minnesota, *WI*
    Parthenocissus vitacea (Knerr) A.S. Hitchc.      woodbine
Ampelopsis quinquefolia (L.) Planch. var. vitacea Knerr (WI)
Parthenocissus inserta (Kerner) Fritsch (WI)
Parthenocissus inserta (Kerner) Fritsch f. dubia Rehder (WI)
Parthenocissus quinquefolia (L.) Planch. var. vitacea (Knerr) L.H.Bailey (WI)
Parthenocissus vitacea (Knerr) Hitchc. f. dubia (Rehder) Fernald (WI)
Psedera vitacea (Knerr) Greene (WI)
Vitis inserta Kerner (WI)


Pascopyrum A. Löve      wheatgrass

Pascopyrum smithii (Rydb.) A. Löve      western wheatgrass
Agropyron molle (Scribn. & J.G. Sm.) Rydb.
Agropyron smithii Rydb.
Agropyron smithii Rydb. var. molle (Scribn. & J.G. Sm.) M.E. Jones
Agropyron smithii Rydb. var. palmeri (Scribn. & J.G. Sm.) Heller
Elymus smithii (Rydb.) Gould
Elytrigia smithii (Rydb.) Nevski
Elytrigia smithii (Rydb.) Nevski var. mollis (Scribn. & J.G. Sm.) Beetle


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Paspalum L.      crowngrass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Paspalum laeve Michx.      field paspalum
Paspalum circulare Nash
Paspalum laeve Michx. var. circulare (Nash) Stone
Paspalum laeve Michx. var. pilosum Scribn.
Paspalum longipilum Nash
Paspalum plenipilum Nash

Paspalum racemosum Lam. . Peruvian paspalum - WI [Excluded in Wisconsin]

Paspalum setaceum Michx. . hairy bead grass, thin paspalum - *WI* * +

Paspalum setaceum var. ciliatifolium . Hairy beadgrass - Poaceae *MN* native to Minnesota
    Paspalum setaceum Michx.      thin paspalum
Paspalum bushii Nash
Paspalum ciliatifolium Michx.
Paspalum ciliatifolium Michx. var. muehlenbergii (Nash) Fern.
Paspalum ciliatifolium Michx. var. stramineum (Nash) Fern.
Paspalum debile Michx.
Paspalum longepedunculatum Le Conte
Paspalum muehlenbergii Nash
Paspalum propinquum Nash
Paspalum psammophilum Nash
Paspalum pubescens Muhl. ex Willd.
Paspalum rigidifolium Nash
Paspalum separatum Shinners
Paspalum setaceum Michx. var. calvescens Fern.
Paspalum setaceum Michx. var. ciliatifolium (Michx.) Vasey
Paspalum setaceum Michx. var. longepedunculatum (Le Conte) Wood
Paspalum setaceum Michx. var. muehlenbergii (Nash) D. Banks
Paspalum setaceum Michx. var. psammophilum (Nash) D. Banks
Paspalum setaceum Michx. var. rigidifolium (Nash) D. Banks
Paspalum setaceum Michx. var. stramineum (Nash) D. Banks
Paspalum setaceum Michx. var. supinum (Bosc ex Poir.) Trin.
Paspalum setaceum Michx. var. villosissimum (Nash) D. Banks
Paspalum stramineum Nash
Paspalum supinum Bosc ex Poir.

Paspalum setaceum Michx. var. muhlenbergii (Nash) D.J.Banks . hairy bead grass, hairy lens grass, hurrahgrass, Muhlenberg's hairy bead grass, thin paspalum  - *WI* +
Paspalum ciliatifolium Michx. var. muhlenbergii (Nash) Fernald (WI)
Paspalum muhlenbergii Nash (WI)
Paspalum pubescens Muhl. ex Willd. (WI)
Paspalum setaceum Michx. var. calvescens Fernald (WI)

Paspalum setaceum Michx. var. stramineum (Nash) D.J.Banks . downy lens grass, hairy bead grass, straw-colored hairy bead grass, yellow sand paspalum  - *WI* +
Paspalum bushii Nash (WI)
Paspalum ciliatifolium Michx. var. stramineum (Nash) Fernald (WI)
Paspalum stramineum Nash (WI)


Family Apiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pastinaca L.      parsnip
2:634  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pastinaca sativa . Wild parsnip - Apiaceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Pastinaca sativa L.      wild parsnip
Pastinaca sativa L. var. pratensis Pers.


Family Scrophulariaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 172

Pedicularis L.      lousewort
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pedicularis canadensis . Canadian lousewort, forest lousewort, wood-betony, wood betony - Scrophulariaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  varies from uncommon to widespread in Manitoba, elements of future concern
    Pedicularis canadensis L.      Canadian lousewort

Pedicularis canadensis L. ssp. canadensis      Canadian lousewort, forest lousewort, wood-betony - *WI*
Pedicularis canadensis L. f. flava Farw. (WI)
Pedicularis canadensis L. f. praeclara A.H.Moore (WI)
Pedicularis canadensis L. subsp. canadensis var. dobbsii Fernald (WI)
Pedicularis canadensis L. var. dobbsii Fern. - *MB* Species abundant throughout range, variety uncertain (Pedicularis canadensis var dobbsii)
Pedicularis gladiata Michx.

Pedicularis canadensis var canadensis  [Google Images] . wood-betony - *MB* Species abundant throughout range, variety uncertain;  varies from uncommon to widespread in Manitoba, elements of future concern

Pedicularis flammea  [Google Images] . flame-colored lousewort - *MB* Uncommon to widespread and abundant throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Pedicularis groenlandica  [Google Images] . elephant's-head -  *MB* Widespread and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Pedicularis labradorica  [Google Images] . Labrador lousewort - *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Pedicularis lanceolata . fen betony, swamp betony, swamp-lousewort, swamp lousewort - Scrophulariaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Pedicularis lanceolata Michx.      swamp lousewort
Pedicularis auriculata Sm.
Pedicularis pallida Nutt.
Pedicularis virginica Poir.

Pedicularis lapponica  [Google Images] . Lapland lousewort - *MB* Widespread and apparently secure throughout range;  uncommon to rare in Manitoba, may be vulnerable to extirpation, photo 

Pedicularis parviflora  [Google Images] . purple lousewort - *MB* Species widespread throughout range, but elements of future concern;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Pedicularis sudetica  [Google Images] . purple rattle - *MB* Species widespread, abundant, and apparently secure throughout range;  uncommon in Manitoba, less than 100 occurrences


Family Fabaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 341

Pediomelum Rydb.      Indian breadroot
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pediomelum argophyllum . Silverleaf scurfpea,  silvery scurf-pea - Fabaceae *MN* native to Minnesota, *WI*
    Pediomelum argophyllum (Pursh) J. Grimes      silverleaf Indian breadroot
Psoralea argophylla Pursh
Psoralidium argophyllum (Pursh) Rydb.
Psoralea collina Rydb.

Pediomelum esculentum . breadroot scurf-pea, pomme-de-prairie, shaggy prairie-turnip, prairie-turnip, prairie turnip - Fabaceae *MN* native to Minnesota, *WI*
    Pediomelum esculentum (Pursh) Rydb.      large Indian breadroot
Psoralea esculenta Pursh


Family Pteridaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pellaea Link      cliffbrake
1:33  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pellaea atropurpurea . Purple cliff brake, purple-stem cliff brake - Pteridaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; SRF
    Pellaea atropurpurea (L.) Link      purple cliffbrake
Pellaea atropurpurea (L.) Link var. cristata Trel. (WI)
Pteris atropurpurea L. (WI)

Pellaea glabella Mett. ex Kuhn      dwarf cliff brake, smooth cliffbrake - *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Pellaea glabella ssp. glabella . dwarf cliff brake, smooth cliff brake - Pteridaceae *MN* native to Minnesota, *WI*
    Pellaea glabella Mett. ex Kuhn ssp. glabella      smooth cliffbrake
Pellaea atropurpurea (L.) Link var. bushii Mackenzie
Pellaea atropurpurea (L.) Link var. bushii Mack. (WI)
Pellaea glabella Mett. ex Kuhn var. glabella (WI)

Pellaea glabella ssp occidentalis  [Google Images] . cliff-brake - *MB* Species abundant throughout range, variety uncertain;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation


Pellia

Pellia epiphylla  [Google Images] . a liverwort - *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba


Family Araceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 441

Peltandra Raf.      arrow arum
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Peltandra virginica . arrow-arum, green arrow arum. green arrow-arum, tuckahoe - Araceae *MN* non-native, *WI*
    Peltandra virginica (L.) Schott      green arrow arum
Arum virginicum L.  (WI)
Peltandra luteospadix Fernald (WI)
Peltandra tharpii Barkl.


Peltigera

Peltigera aphthosa  [Google Images] . *MB* More information needed on abundance of species throughout range; more information needed to determine status in Manitoba

Peltigera canina  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Peltigera didactyla  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Peltigera evansiana  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba

Peltigera horizontalis  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Peltigera lepidophora  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba

Peltigera leucophlebia  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba

Peltigera malacea  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Peltigera polydactyla  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Peltigera rufescens  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Peltigera scabrosa  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba

Peltigera venosa  [Google Images] . fan lichen - *MB* Widespread and apparently secure throughout range; more information needed to determine status in Manitoba 


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pennisetum L.C. Rich. ex Pers.      fountaingrass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pennisetum glaucum (L.) R. Br.      pearl millet - *WI*
Chaetochloa glauca (L.) Scribn.
Chaetochloa lutescens (Weigel) Stuntz
Panicum americanum L.
Panicum glaucum L.
Pennisetum americanum (L.) Leeke
Pennisetum spicatum (L.) Körn. (WI)
Pennisetum typhoideum Rich. (WI)
Pennisetum typhoides auct. non (Burm.) Stapf & C.E. Hubbard
Setaria glauca (L.) Beauv.
Setaria lutescens (Weigel) F.T. Hubbard

Pennisetum villosum R. Br. ex Fresen.      feathertop
Cenchrus longisetus M.C. Johnston


Family Scrophulariaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 172

Penstemon Schmidel      beardtongue
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Penstemon acuminatus   [Google Images] . sanddune beardtongue - *MB* Species widespread, abundant, and apparently secure throughout range; SRF

Penstemon albidus . White beard tongue - Scrophulariaceae *MN* native to Minnesota, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Penstemon albidus Nutt.      white penstemon

Penstemon calycosus Small      longsepal beardtongue
Penstemon laevigatus Ait. ssp. calycosus (Small) Bennett

Penstemon digitalis . false foxglove, foxglove beard tongue, foxglove beard-tongue, tall beard-tongue, tall white beard-tongue - Scrophulariaceae *MN* non-native, *WI*
    Penstemon digitalis Nutt. ex Sims      talus slope penstemon
Penstemon laevigatus Aiton f. digitalis (Nutt. ex Sims) A.Gray (WI)
Penstemon laevigatus Ait. var. angulatus Bennett
Penstemon laevigatus Ait. ssp. digitalis (Nutt. ex Sims) Bennett

Penstemon gracilis . lilac penstemon, lilac-flowered beard-tongue, slender beard tongue, slender beard-tongue - Scrophulariaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Penstemon gracilis Nutt.      lilac penstemon

Penstemon gracilis Nutt. var. gracilis      lilac penstemon
    Penstemon gracilis Nutt. subsp. gracilis . lilac penstemon, slender beard-tongue - *WI* +
Penstemon gracilis Nutt. var. gracilis (WI)

Penstemon gracilis Nutt. var. wisconsinensis (Pennell) Fassett      Wisconsin penstemon
    Penstemon gracilis Nutt. subsp. wisconsinensis (Pennell) Pennell . Wisconsin beard-tongue, Wisconsin penstemon - *WI* * +
Penstemon gracilis Nutt. ssp. wisconsinensis (Pennell) Pennell
Penstemon gracilis Nutt. var. wisconsinensis (Pennell) Fassett (WI)
Penstemon wisconsinensis Pennell

Penstemon grandiflorus . large beard-tongue, large-flowered beard-tongue, large-flowered beard tongue - Scrophulariaceae *MN* native to Minnesota, *WI*
    Penstemon grandiflorus Nutt.      large beardtongue
Penstemon bradburii Pursh

Penstemon hirsutus (L.) Willd.      hairy beardtongue, hairy beard-tongue, northeastern beard-tongue - *WI*
Penstemon hirsutus (L.) Willd. var. minimus Bennett
Penstemon hirsutus (L.) Willd. var. pygmaeus Bennett

Penstemon laevigatus . Eastern smooth beard tongue - Scrophulariaceae *MN* non-native

Penstemon nitidus  [Google Images] .smooth blue beard-tongue - *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Penstemon pallidus . eastern white beard-tongue, pale beard-tongue, pale beard tongue - Scrophulariaceae *MN* native to Minnesota, *WI*
    Penstemon pallidus Small      pale beardtongue
Penstemon arkansanus Pennell var. pubescens Pennell
Penstemon brevisepalus Pennell

Penstemon procerus  [Google Images] . slender beard-tongue - *MB* Species widespread, abundant, and apparently secure throughout range; rare to very rare in Manitoba, less than 20 occurrences

Penstemon tubiflorus Nutt.      tube beard-tongue, tube penstemon, white wand beard-tongue, white wand beardtongue - *WI*
Penstemon tubaeflorus Nutt. var. tubaeflorus (WI)

Penstemon tubiflorus Nutt. var. tubiflorus      white wand beardtongue


Family Saxifragaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 214

Penthorum L.      penthorum
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Penthorum sedoides . Ditch stonecrop - Saxifragaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; rare to very rare in Manitoba, less than 20 occurrences
    Penthorum sedoides L.      ditch stonecrop


Perideridia Reichenb.      yampah

Perideridia americana (Nutt. ex DC.) Reichenb.      eastern yampah
Eulophus americanus Nutt. ex DC.


Labiatae 3 :  99
Family Lamiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Perilla L.      perilla
3:153  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Perilla frutescens . beefsteak-plant, perilla, perilla-mint, perilla mint - Lamiaceae *MN* non-native, *WI*
    Perilla frutescens (L.) Britt.      beefsteakplant
Perilla arguta Benth.
Perilla ocymoides L.

Perilla frutescens (L.) Britt. var. frutescens      beefsteakplant


Petalostemon

Petalostemum candidum  [Google Images] . white prairie-clover - *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant and nearly secure in Manitoba, but may be elements of future concern

Petalostemum candidum var occidentale  [Google Images] .white prairie-clover *MB* Species abundant throughout range, variety uncertain;  uncommon in Manitoba, less than 100 occurrences
Petalostemum purpureum  [Google Images] . purple prairie-clover - *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern

Petalostemon villosus  [Google Images] .silky prairie-clover - *MB* Species abundant throughout range, variety uncertain;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation


Compositae 3 :  347
Family Asteraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Petasites P. Mill.      butterbur
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Petasites frigidus (L.) Fries      arctic sweet coltsfoot , Arctic sweet-colt's-foot, northern sweet-colt's-foot - *WI*, *MB* Species widespread, abundant, and apparently secure throughout range

Petasites frigidus (L.) Fries var. nivalis (Greene) Cronq.      arctic sweet coltsfoot
Petasites frigidus (L.) Fries ssp. nivalis (Greene) Cody
Petasites hyperboreus Rydb.
Petasites nivalis Greene
Petasites palmatus (Ait.) Gray var. frigidus Macoun
Petasites warrenii St. John

Petasites frigidus var. palmatus . Arctic sweet-colt's-foot, northern sweet-colt's-foot, palmate-leaved sweet colt's-foot, palmate sweet coltsfoot - Asteraceae *MN* native to Minnesota, *WI*
    Petasites frigidus (L.) Fries var. palmatus (Ait.) Cronq.      arctic sweet coltsfoot
Nardosmia arctica (Porsild) A.& D. Löve
Petasites arcticus Porsild
Petasites frigidus (L.) Fries ssp. arcticus (Porsild) Cody
Petasites frigidus (L.) Fries ssp. palmatus (Ait.) Cody
Petasites hookerianus (Nutt.) Rydb.
Petasites palmatus (Ait.) Gray - *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba (Petasites palmatus)
Petasites speciosus (Nutt.) Piper
Tussilago palmata Aiton (WI)

Petasites hybridus (L.) P.G. Gaertn., B. Mey. & Scherb.      pestilence wort
Petasites officinalis Moench
Petasites vulgaris Hill

Petasites sagittatus . arrowhead sweet-colt's-foot, arrow-leaf sweet-colt's-foot, arrow-leaved sweet coltsfoot - Asteraceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Petasites sagittatus (Banks ex Pursh) Gray      arrowleaf sweet coltsfoot
Petasites dentatus Blank.
Tussilago sagittata Banks ex Pursh (WI)

Petasites x vitifolius . Grape-leaved sweet coltsfoot,  sweet-colt's-foot - Asteraceae *MN* native to Minnesota, *WI*, *MB* hybrid
    Petasites ×vitifolius Greene (pro sp.)     
Nardosmia vitifolia (Greene) A.& D. Löve
Petasites nivalis Greene ssp. vitifolius (Greene) Toman
Petasites trigonophylla Greene
Petasites warrenii H.St.John (WI)


Family Caryophyllaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Petrorhagia (Ser.) Link      pink
[2:72]  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Petrorhagia prolifera (L.) P.W. Ball & Heywood      childing pink
Dianthus prolifer L.
Tunica prolifera (L.) Scop.

Petrorhagia saxifraga . Petrorhagia,  saxifrage pink - Caryophyllaceae *MN* non-native, *WI*
    Petrorhagia saxifraga (L.) Link      saxifrage pink
Dianthus saxifragus L. (WI)
Tunica saxifraga (L.) Scop.


Petroselinum J. Hill      parsley

Petroselinum crispum (P. Mill.) Nyman ex A.W. Hill      parsley
Apium petroselinum L.
Carum petroselinum Benth. & Hook. f.
Petroselinum hortense Hoffm.
Petroselinum sativum Hoffm.
Petroselinum vulgare Lagasca


Family Solanaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 154

Petunia Juss.      petunia
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Petunia x hybrida . common petunia, garden petunia - Solanaceae *MN* non-native, *WI*
    Petunia ×atkinsiana D. Don ex Loud.     
Petunia ×hybrida Vilm.

Petunia axillaris (Lam.) B.S.P.      large white petunia *WI* +
Petunia violacea auct. non Juss.


Family Hydrophyllaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 65

Phacelia Juss.      phacelia
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phacelia campanularia  [Google Images] . scorpionweed - *MB* Species widespread throughout range, but elements of future concern, more information needed; not native to Manitoba

Phacelia distans Benth.      distant phacelia - *WI*
Phacelia cinerea Eastw. ex J.F. Macbr.
Phacelia distans Benth. var. australis Brand

Phacelia franklinii . Franklin's phacelia, Franklin's scorpionweed - Hydrophyllaceae *MN* native to Minnesota :  Minnesota Special Concern list, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Phacelia franklinii (R. Br.) Gray      Franklin's phacelia

Phacelia purshii Buckl.      Miami mist - WI [Excluded in Wisconsin]
Phacelia bicknellii Small
Phacelia boykinii (Gray) Small

Phacelia tanacetifolia Benth.      fiddle-neck, lacy phacelia, tansy  scorpion-weed - *MB* Species abundant and widespread throughout range, but more information needed; not native to Manitoba


Phaeophyscia

Phaeophyscia ciliata  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Phaeophyscia constipata  [Google Images] . *MB* Species uncommon throughout range (less than 100 occurrences); more information needed to determine status in Manitoba

Phaeophyscia orbicularis  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Phaeophyscia sciastra  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba 


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Phalaris L.      canarygrass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phalaris arundinacea . Reed canary grass - Poaceae *MN* non-native, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Phalaris arundinacea L.      reed canarygrass
Phalaroides arundinacea (L.) Raeusch.
Phalaris arundinacea L. f. variegata (Parn.) Druce (WI)
Phalaris arundinacea L. var. picta L.
Phalaroides arundinacea (L.) Raeusch. var. picta (L.) Tzvelev

Phalaris canariensis . Birdseed grass,  canary grass, common canary grass - Poaceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Phalaris canariensis L.      annual canarygrass


Phaseolus L.      bean

Phaseolus polystachios (L.) B.S.P.      thicket bean

Phaseolus polystachios (L.) B.S.P. var. polystachios      thicket bean
Phaseolus polystachios (L.) B.S.P. var. aquilonius Fern.
Phaseolus smilacifolius Pollard

Phaseolus vulgaris L.      kidney bean
Phaseolus vulgaris L. var. humilis Alef.


Family Thelypteridaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Phegopteris Fée      beechfern
1:24  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phegopteris connectilis . Long beech fern Thelyx,  Narrow beech fern, northern beech fern - Pteridaceae *MN* native to Minnesota, *WI*
    Phegopteris connectilis (Michx.) Watt      long beechfern
Dryopteris phegopteris (L.) C. Christens.
Lastrea phegopteris (L.) Bory
Phegopteris polypodioides Fée
Thelypteris phegopteris (L.) Slosson

Phegopteris dryopteris (L.) Fée *WI*
    =Gymnocarpium dryopteris
Thelypteris dryopteris (L.) Sloss. (WI)

Phegopteris hexagonoptera . Broad beech fern Thelyx,  broad beech fern, southern beech fern - Pteridaceae *MN* native to Minnesota :  Minnesota Threatened list, *WI*
    Phegopteris hexagonoptera (Michx.) Fée      broad beechfern
Dryopteris hexagonoptera (Michx.) C. Christens.
Thelypteris hexagonoptera (Michx.) Weatherby

Phegopteris robertiana (Hoffm.) Fée *WI*
    =Gymnocarpium robertianum
Thelypteris robertiana (Hoffm.) Sloss. (WI)


Family Hydrangeaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 230

Philadelphus L.      mock orange
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Philadelphus coronarius . European mock-orange, sweet mock orange - Hydrangeaceae *MN* non-native, WI [Excluded in Wisconsin]
    Philadelphus coronarius L.      sweet mock orange

Philadelphus inodorus L.      Appalachian mock-orange, scentless mock-orange. scentless mock orange - WI [Excluded in Wisconsin]
Philadelphus gloriosus Beadle
Philadelphus grandiflorus Willd.
Philadelphus inodorus L. var. carolinus Hu
Philadelphus inodorus L. var. grandiflorus (Willd.) Gray
Philadelphus inodorus L. var. laxus (Schrad.) Hu
Philadelphus inodorus L. var. strigosus Beadle
Philadelphus laxus Schrad. (WI)


Philonotis

Philonotis fontana  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Philonotis marchica  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Phleum L.      timothy
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phleum alpinum L.      alpine timothy
Phleum alpinum L. var. commutatum (Gaudin) Griseb.
Phleum commutatum Gaudin
Phleum commutatum Gaudin var. americanum (Fourn.) Hultén

Phleum pratense . common timothy, timothy - Poaceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Phleum pratense L.      timothy
Phleum nodosum L.
Phleum pratense L. var. nodosum (L.) Huds.
Phleum pratense L. ssp. nodosum (L.) Arcang.

Phleum pratense L. subsp. pratense . common timothy, timothy - *WI* * +


Family Polemoniaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 52

Phlox L.      phlox
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phlox bifida Beck      cleft phlox, sand phlox, ten-point phlox - *WI*

Phlox bifida Beck ssp. bifida      cleft phlox, sand phlox, ten-point phlox - *WI*
Phlox bifida Beck ssp. arkansana Marsh. p.p.
Phlox bifida Beck var. bifida (WI)
Phlox bifida Beck var. glandifera Wherry

Phlox bifida Beck subsp. bifida X P. subulata L. *WI* +

Phlox divaricata L.      forest phlox, wild blue phlox, wild sweet-William, woodland phlox - *WI*

Phlox divaricata L. ssp. divaricata      wild blue phlox

Phlox divaricata var. laphamii . Blue phlox, , forest phlox, wild blu, *WI*
    Phlox divaricata L. ssp. laphamii (Wood) Wherry      Lapham's phlox
Phlox divaricata L. var. laphamii Wood

Phlox drummondii Hook.      annual phlox

Phlox drummondii Hook. ssp. drummondii      annual phlox
Phlox drummondii Hook. var. peregrina Shinners
Phlox goldsmithii Whitehouse

Phlox glaberrima L.      smooth phlox - *WI*

Phlox glaberrima L. ssp. interior (Wherry) Wherry      smooth phlox - *WI*
Phlox glaberrima L. var. interior Wherry

Phlox hoodii  [Google Images] . moss pink -*MB* Species widespread, abundant, and apparently secure throughout range;  varies from uncommon to widespread in Manitoba, elements of future concern

Phlox hoodii ssp canescens  [Google Images] . moss pink - *MB* Species abundant throughout range, variety uncertain;  varies from uncommon to widespread in Manitoba, elements of future concern

Phlox maculata . Wild sweet William - Polemoniaceae *MN* native to Minnesota
    Phlox maculata L.      wild sweetwilliam

Phlox maculata L. ssp. maculata      wild sweetwilliam
Phlox maculata L. var. odorata (Sweet) Wherry

Phlox nivalis Lodd. ex Sweet      trailing phlox

Phlox nivalis Lodd. ex Sweet ssp. nivalis      trailing phlox

Phlox paniculata . fall phlox, garden phlox, perennial phlox, summer phlox - Polemoniaceae *MN* non-native, *WI*
    Phlox paniculata L.      fall phlox

Phlox pilosa L.      downy phlox, prairie phlox - *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba

Phlox pilosa var. fulgida .  downy phlox, prairie phlox - Polemoniaceae *MN* native to Minnesota, *WI*
    Phlox pilosa L. ssp. fulgida (Wherry) Wherry      downy phlox
Phlox pilosa L. var. fulgida Wherry

Phlox pilosa L. ssp. pilosa      downy phlox, prairie phlox - *WI*, *MB* Species abundant throughout range, but variety possibly in peril, more information needed; not native to Manitoba (Phlox pilosa ssp fulgida)
Phlox argillacea Clute & Ferris
Phlox pilosa L. var. pilosa (WI)
Phlox pilosa L. var. virens (Michx.) Wherry
Phlox villosissima (Gray) Small p.p.

Phlox subulata L.      moss phlox, moss-pink - *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba

Phlox subulata var. subulata . Ground pink - Polemoniaceae *MN* non-native
   
Phlox subulata L. ssp. subulata      moss phlox



Loranthaceae 1: 638
Family Viscaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Phoradendron  
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phoradendron serotinum (Raf.) M.C.Johnst. . American Christmas-mistletoe, oak mistletoe - WI [Excluded in Wisconsin]


Photinia Lindl.      chokeberry

Photinia floribunda (Lindl.) Robertson & Phipps      purple chokeberry
Aronia arbutifolia (L.) Pers. var. atropurpurea (Britt.) Seymour
Aronia atropurpurea Britt.
Aronia floribunda (Lindl.) Spach
Aronia prunifolia (Marsh.) Rehd.
Pyrus arbutifolia (L.) L. f. var. atropurpurea (Britt.) B.L. Robins.
Pyrus floribunda Lindl.
Sorbus arbutifolia (L.) Heynh. var. atropurpurea (Britt.) Schneid.

Photinia melanocarpa (Michx.) Robertson & Phipps      black chokeberry
Aronia arbutifolia (L.) Pers. var. nigra (Willd.) Seymour
Aronia melanocarpa (Michx.) Ell.
Aronia nigra (Willd.) Koehne
Pyrus arbutifolia (L.) L. f. var. nigra Willd.
Pyrus melanocarpa (Michx.) Willd.
Sorbus melanocarpa (Michx.) Heynh.


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Phragmites Adans.      reed
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phragmites australis . common reed, common reed grass - Poaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Phragmites australis (Cav.) Trin. ex Steud.      common reed
Phragmites australis (Cav.) Trin. ex Steud. var. berlandieri (Fourn.) C.F. Reed
Phragmites communis Trin.
Phragmites communis Trin. ssp. berlandieri (Fourn.) A.& D. Löve
Phragmites communis Trin. var. berlandieri (Fourn.) Fern.
Phragmites phragmites (L.) Karst.


Family Verbenaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 94

Phryma L.      phryma
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phryma leptostachya . American lop-seed, lopseed - Verbenaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  uncommon in Manitoba, less than 100 occurrences
    Phryma leptostachya L.      American lopseed
Phryma leptostachya L. var. confertifolia Fern.


Family Verbenaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 94

Phyla Lour.      fogfruit
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phyla lanceolata . Fogfruit,  lance-leaf fog-fruit - Verbenaceae *MN* native to Minnesota, *WI*
    Phyla lanceolata (Michx.) Greene      lanceleaf fogfruit
Lippia lanceolata Michx.
Lippia lanceolata Michx. var. recognita Fern. & Grisc.
Phyla lanceolata (Michx.) Greene var. recognita (Fern. & Grisc.) Soper


Family Euphorbiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 452

Phyllanthus  
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phyllanthus tenellus Roxb. . Mascarene Island leaf-flower  - WI [Excluded in Wisconsin]


Phyllodoce

Phyllodoce caerulea  [Google Images] . purple mountain-heather - *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation, map


Family Solanaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 154

Physalis L.      groundcherry
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Physalis alkekengi L.      Chinese lantern-plant, strawberry ground-cherry, strawberry groundcherry - *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba

Physalis grisea (Waterfall) M. Martinez      downy ground-cherry, husk ground-cherry, strawberry tomato. strawberry-tomato - *WI*
Physalis pruinosa L., sensu Fassett (1944) and Swink & Wilhelm (1994) (WI)
Physalis pubescens L. var. grisea Waterfall

Physalis heterophylla Nees      clammy groundcherry, clammy ground-cherry, yellow ground-cherry - *WI*, *MB* Species widespread, abundant, and apparently secure throughout range

Physalis heterophylla var. heterophylla . Clammy ground cherry,  clammy ground-cherry - Solanaceae *MN* native to Minnesota, *WI*
    Physalis heterophylla Nees var. heterophylla      clammy groundcherry
Physalis ambigua (Gray) Britt.
Physalis heterophylla Nees var. ambigua (Gray) Rydb.
Physalis heterophylla Nees var. clavipes Fern.
Physalis heterophylla Nees var. nyctaginea (Dunal) Rydb.
Physalis heterophylla Nees var. villosa Waterfall
Physalis nyctaginea Dunal
Physalis sinuata Rydb.
Physalis virginiana Mill. var. ambigua A.Gray (WI)

Physalis hispida (Waterfall) Cronq.      plains-sandhill ground-cherry, prairie ground-cherry, prairie groundcherry - *WI*
Physalis lanceolata auct. p.p. non Michx.
Physalis longifolia Nutt. var. hispida (Waterfall) Steyermark
Physalis pumila Nutt. ssp. hispida (Waterfall) Hinton
Physalis virginiana P. Mill. var. hispida Waterfall

Physalis ixocarpa  [Google Images] . tomatillo - *MB* More information needed on abundance of species throughout range; not native to Manitoba

Physalis lanceolata  [Google Images] . narrow-leaved ground cherry - *MB* Species abundant and widespread throughout range, but more information needed

Physalis longifolia Nutt.      longleaf groundcherry, long-leaved ground-cherry, smooth long-leaved ground-cherry, tall ground-cherry - *WI*

Physalis longifolia Nutt. var. longifolia      longleaf groundcherry,  long-leaved ground-cherry, smooth long-leaved ground-cherry, tall ground-cherry - *WI*
Physalis pumila Nutt. var. sonorae Torr.
Physalis rigida Pollard & Ball
Physalis virginiana P. Mill. var. sonorae (Torr.) Waterfall

Physalis longifolia Nutt. var. subglabrata (Mackenzie & Bush) Cronq.      longleaf groundcherry, long-leaved ground-cherry, tall ground-cherry - *WI*
Physalis macrophysa Rydb.
Physalis subglabrata Mackenzie & Bush
Physalis virginiana P. Mill. var. subglabrata (Mackenzie & Bush) Waterfall

Physalis philadelphica Lam.      Mexican groundcherry, Mexican ground-cherry, tomatillo - *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
Physalis ixocarpa auct. non Brot. ex Hornem. (WI)
Physalis philadelphica Lam. var. immaculata Waterf. (WI)

Physalis philadelphica Lam. var. immaculata Waterfall      Mexican groundcherry
Physalis ixocarpa auct. non Brot. ex Hornem.

Physalis pubescens L. . downy ground-cherry, husk ground-cherry, small yellow ground-cherry - WI [Excluded in Wisconsin], *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba

Physalis pubescens var. grisea . Hairy ground cherry - Solanaceae *MN* native to Minnesota

Physalis pubescens L. var. integrifolia (Dunal) Waterfall      husk tomato
Physalis pruinosa auct. non L.

Physalis pubescens L. var. pubescens      husk tomato
Physalis barbadensis Jacq.
Physalis floridana Rydb.

Physalis virginiana . lance-leaved ground-cherry, obedient plant, Virginia ground-cherry, Virginia ground cherry - Solanaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Physalis virginiana P. Mill.      Virginia groundcherry

Physalis virginiana P. Mill. var. virginiana . lance-leaved ground-cherry, obedient plant, Virginia ground-cherry - *WI* * +
Physalis intermedia Rydb.
Physalis lanceolata auct. p.p. non Michx.
Physalis monticola C.Mohr


Physcia

Physcia adscendens  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia aipolia  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia caesia  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia dubia  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia millegrana  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia phaea  [Google Images] . *MB* Widespread and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia stellaris  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Physcia subobscura  [Google Images] . *MB* Species uncommon throughout range (less than 100 occurrences); more information needed to determine status in Manitoba

Physcia tenella  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba


Family Rosaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 242

Physocarpus (Camb.) Raf.      ninebark
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Physocarpus opulifolius . common ninebark, ninebark - Rosaceae *MN* native to Minnesota, *WI*
    Physocarpus opulifolius (L.) Maxim.      common ninebark

Physocarpus opulifolius var. intermedius . Ninebark - Rosaceae *MN* native to Minnesota, *WI*
    Physocarpus opulifolius (L.) Maxim. var. intermedius (Rydb.) B.L. Robins.      Atlantic ninebark
Opulaster intermedius Rydb.
Physocarpus intermedius (Rydb.) Schneid.

Physocarpus opulifolius var. opulifolius . common ninebark, ninebark - Rosaceae *MN* native to Minnesota, *WI*
    Physocarpus opulifolius (L.) Maxim. var. opulifolius      common ninebark
Opulaster alabamensis Rydb.
Opulaster australis Rydb.
Opulaster opulifolius (L.) Kuntze
Opulaster stellatus Rydb.
Spiraea opulifolia L.


Physcomitrella - mosses

Physcomitrella patens  [Google Images] . *MB* Species widespread throughout range, but elements of future concern; more information needed to determine status in Manitoba

Physcomitrium hookeri  [Google Images] . *MB* Species rare to widespread throughout range, elements of future concern, may be vulnerable to extirpation in some areas;  more information needed to determine status in Manitoba

Physcomitrium pyriforme  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba, invasive 


Labiatae 3 :  99
Family Lamiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Physostegia Benth.      lionsheart
[3:116]  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Physostegia ledinghamii  [Google Images] . dragonhead - *MB* Species uncommon throughout range (less than 100 occurrences), more information needed

Physostegia parviflora . Western false dragonhead - Lamiaceae *MN* non-native, *MB* Widespread and apparently secure throughout range
    Physostegia parviflora Nutt. ex Gray      western false dragonhead
Dracocephalum nuttallii Britt.
Physostegia nuttallii (Britt.) Fassett
Physostegia virginiana (L.) Benth. var. parviflora (Nutt. ex Gray) Boivin

Physostegia virginiana (L.) Benth.      false dragonhead, obedience, obedient plant - *WI*

Physostegia virginiana (L.) Benth. ssp. praemorsa (Shinners) Cantino      obedient plant
Physostegia praemorsa Shinners
Physostegia serotina Shinners
Physostegia virginiana (L.) Benth. var. arenaria Shimek
Physostegia virginiana (L.) Benth. var. reducta Boivin

Physostegia virginiana ssp virginiana  [Google Images] . false dragonhead - *MB* Species abundant throughout range, variety uncertain

Physostegia virginiana var. virginiana .  false dragonhead, obedience, obedient plant - Lamiaceae *MN* native to Minnesota, *WI*
    Physostegia virginiana (L.) Benth. ssp. virginiana      obedient plant
Dracocephalum denticulatum Ait.
Dracocephalum formosius (Lunell) Rydb.
Dracocephalum virginianum L.
Physostegia denticulata (Ait.) Britt.
Physostegia formosior Lunell
Physostegia granulosa Fassett (WI)
Physostegia speciosa (Sweet) Sweet
Physostegia speciosa (Sweet) Sweet var. glabriflora Fassett (WI)
Physostegia virginiana (L.) Benth. var. elongata Boivin
Physostegia virginiana (L.) Benth. var. formosior (Lunell) Boivin
Physostegia virginiana (L.) Benth. var. granulosa (Fassett) Fern.
Physostegia virginiana (L.) Benth. var. speciosa (Sweet) Gray
Physostegia virginiana (L.) Benth. var. virginiana (WI)


Family Phytolaccaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 25

Phytolacca L.      pokeweed
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Phytolacca acinosa Roxb. . edible pokeweed, Indian pokeweed - *WI* * +
Phytolacca esculenta Van Houtte (WI)

Phytolacca americana L.      American pokeberry, American pokeweed, pokeweed - *WI*

Phytolacca americana L. var. americana      American pokeberry, American pokeweed, pokeweed - *WI*
Phytolacca decandra L.

Phytolacca octandra L.      red inkplant
Phytolacca acinosa sensu Pope


Family Pinaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 55

Picea A. Dietr.      spruce
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Picea abies . Norway spruce - Pinaceae *MN* non-native, *WI*
    Picea abies (L.) Karst.      Norway spruce
Picea excelsa (Lamb.) Link
Pinus abies L. (WI), *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba

    Picea glauca (Moench) Voss      white spruce
Abies canadensis Mill. (WI)
Picea alba (Aiton) Link (WI)
Picea albertiana S.Br. (WI)
Picea canadensis (P. Mill.) B.S.P.
Picea canadensis (Mill.) Britton, Sterns & Poggenb. var. glauca (Moench) Sudw. (WI)
Picea glauca (Moench) Voss var. albertiana (S. Br.) Sarg.
Picea glauca (Moench) Voss var. densata Bailey
Picea glauca (Moench) Voss var. porsildii Raup
Pinus alba Aiton (WI)
Pinus glauca Moench (WI)

Picea glauca (Moench) Voss X P. mariana (Mill.) Britton, Sterns & Poggenb. *WI* *

Picea mariana . Black spruce - Pinaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Picea mariana (P. Mill.) B.S.P.      black spruce
Abies mariana Mill. (WI)
Picea mariana (Mill.) Britton, Sterns & Poggenb. var. mariana (WI)

Picea rosendahlii . Rosendahl's spruce - Pinaceae *MN* native to Minnesota


Picris L.      oxtongue

Picris hieracioides L.      hawkweed oxtongue

Picris hieracioides L. ssp. hieracioides      hawkweed oxtongue


Family Urticaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 634

Pilea Lindl.      clearweed
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pilea fontana . Black-fruited clearweed,  bog clearweed, lesser clearweed - Urticaceae *MN* native to Minnesota, *WI*
    Pilea fontana (Lunell) Rydb.      lesser clearweed
Adicea fontana Lunell
Pilea opaca (Lunell) Rydb.

Pilea pumila . Canadian clearweed, Dwarf clearweed - - Urticaceae *MN* native to Minnesota, *WI*
    Pilea pumila (L.) Gray      Canadian clearweed
Adicea deamii Lunell (WI)
Adicea pumila (L.) Raf. (WI)
Pilea pumila (L.) A.Gray var. deamii (Lunell) Fernald (WI)
Pilea pumila (L.) A.Gray var. pumila (WI)
Urtica pumila L.

Pilea pumila (L.) Gray var. pumila      Canadian clearweed
Adicea pumila (L.) Raf.
Urtica pumila L.


Family Apiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pimpinella L.      burnet saxifrage
2:654  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pimpinella anisum L.      anise burnet saxifrage
Anisum vulgare Gaertner

Pimpinella saxifraga . Burnet saxifrage,  solid-stem burnet-saxifrage - Apiaceae *MN* non-native, *WI*
    Pimpinella saxifraga L.      solidstem burnet saxifrage

Pimpinella saxifraga L. ssp. saxifraga      solidstem burnet saxifrage


Family Lentibulariaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 225

Pinguicula L.      butterwort
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pinguicula villosa  [Google Images] . small butterwort - *MB* Species widespread throughout range, but elements of future concern;  varies from uncommon to widespread in Manitoba, elements of future concern, map 

Pinguicula vulgaris . Butterwort,  common butterwort, violet butterwort - Lentibulariaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Pinguicula vulgaris L.      common butterwort
Pinguicula vulgaris L. var. americana Gray


Family Pinaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 55

Pinus L.      pine
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pinus banksiana . Jack pine - Pinaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Pinus banksiana Lamb.      jack pine
Pinus divaricata (Ait.) Dum.-Cours.

Pinus mugo Turra . Mugo pine, Swiss mountain pine - WI [Excluded in Wisconsin]

Pinus resinosa .  Canadian pine, Norway pine, red pine - Pinaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  uncommon to rare in Manitoba, may be vulnerable to extirpation
    Pinus resinosa Soland.      red pine

Pinus rigida . Pitch pine - Pinaceae *MN* non-native
    Pinus rigida P. Mill.      pitch pine

Pinus strobus . White pine - Pinaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation
    Pinus strobus L.      eastern white pine
Strobus strobus (L.) Small

Pinus sylvestris . Scotch pine, Scot pine - Pinaceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Pinus sylvestris L.      Scotch pine


Piperia Rydb.      rein orchid

Piperia unalascensis (Spreng.) Rydb.      slender-spire orchid
Habenaria unalascensis (Spreng.) S. Wats.
Platanthera cooperi (S. Wats.) Rydb.
Platanthera unalascensis (Spreng.) Kurtz
Spiranthes unalascensis Spreng.


Piptatherum Beauv.      ricegrass

Piptatherum canadense (Poir) Barkworth, comb. nov. ined.      Canadian ricegrass
Oryzopsis canadensis (Poir.) Torr.
Stipa canadensis Poir.

Piptatherum pungens (Torr.) Barkworth, comb. nov. ined.      mountain ricegrass
Oryzopsis pungens (Torr. ex Spreng.) A.S. Hitchc.

Piptatherum racemosum Ricker ex A.S. Hitchc.      blackseed ricegrass
Oryzopsis racemosa (Sm.) Ricker ex A.S. Hitchc.


Piptochaetium J. Presl      speargrass

Piptochaetium avenaceum (L.) Parodi      blackseed speargrass
Stipa avenacea L.


Pisum L.      pea

Pisum sativum L.      garden pea - *MB* More information needed on abundance of species throughout range; not native to Manitoba
Pisum arvense L.
Pisum humile Boiss. & Noe
Pisum sativum L. ssp. arvense (L.) Poiret
Pisum sativum L. var. arvense (L.) Poir.
Pisum sativum L. var. humile Poir.
Pisum sativum L. var. macrocarpon Ser.


Placynthium

Placynthium asperellum  [Google Images] . *MB* More information needed on abundance of species throughout range; more information needed to determine status in Manitoba


Family Boraginaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 72

Plagiobothrys Fisch. & C.A. Mey.      popcornflower
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Plagiobothrys figuratus (Piper) I.M. Johnston ex M.E. Peck      fragrant popcornflower, fragrant popcorn-flower, scorpion-grass - WI [Excluded in Wisconsin]

Plagiobothrys figuratus (Piper) I.M. Johnston ex M.E. Peck ssp. figuratus      fragrant popcornflower
Allocarya figurata Piper
Plagiobothrys hirtus (Greene) I.M. Johnston var. figuratus (Piper) I.M. Johnston

Plagiobothrys scouleri . meadow plagiobothrys, popcorn flower, scouler's allocarya, Scouler's popcorn-flower - Boraginaceae *MN* native to Minnesota - *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; very rare in Manitoba, less than 5 occurrences, vulnerable to extirpation
    Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston      Scouler's popcornflower

Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston var. hispidulus (Greene) Dorn      sleeping popcornflower
Allocarya cognata Greene
Allocarya hispidula Greene
Allocarya scopulorum Greene
Plagiobothrys cognatus (Greene) I.M. Johnston
Plagiobothrys hispidulus (Greene) I.M. Johnston
Plagiobothrys nelsonii (Greene) I.M. Johnston
Plagiobothrys scopulorum (Greene) I.M. Johnston
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston var. penicillatus (Greene) Cronq.
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston ssp. penicillatus (Greene) A. Löve

Plagiobothrys scouleri (Hook. & Arn.) I.M.Johnst. var. penicillatus (Greene) Cronquist . meadow plagiobothrys, Scouler's popcorn-flower - *WI* +
Allocarya penicillata Greene (WI)
Plagiobothrys scouleri (Hook. & Arn.) I.M.Johnst. subsp. penicillatus (Greene) A.Löve & D.Löve (WI)

Plagiobothrys scouleri var scouleri  [Google Images] . Scouler's allocarya - *MB* Species abundant throughout range, variety uncertain; very rare in Manitoba, less than 5 occurrences, vulnerable to extirpation


Plagiochila

Plagiochila asplenioides  [Google Images] . *MB* More information needed on abundance of species throughout range; more information needed to determine status in Manitoba

Plagiochila porelloides  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba


Plagiomnium

Plagiomnium ciliare  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Plagiomnium cuspidatum  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Plagiomnium drummondii  [Google Images] . *MB* Widespread and apparently secure throughout range; more information needed to determine status in Manitoba

Plagiomnium ellipticum  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Plagiomnium medium  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Plagiomnium rostratum  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba


Plagiothecium

Plagiothecium denticulatum  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba

Plagiothecium laetum  [Google Images] . *MB* Species widespread, abundant, and apparently secure throughout range; more information needed to determine status in Manitoba 


Family Plantaginaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 245

Plantago L.      plantain
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Plantago aristata . Bracted plantain, buck-horn, large-bracted plantain - Plantaginaceae *MN* native to Minnesota, *WI*
    Plantago aristata Michx.      largebracted plantain
Plantago aristata Michx. var. nuttallii (Rapin) Morris
Plantago filiformis Decne. (WI)
Plantago frankii Steud. (WI)
Plantago nuttallii Rapin (WI)
Plantago patagonica Jacq. var. aristata (Michx.) Gray
Plantago purshii Roem. & Schult. var. aristata (Michx.) M.E.Jones (WI)
Plantago squarrosa Nutt. (WI)
Plantago squamosa Nutt. ex Decne. (WI)

Plantago cordata Lam.      heartleaf plantain, heart-leaved plantain, king-root - *WI*
Plantago canadensis Hort. (WI)
Plantago kentukensis Michx. (WI)

Plantago coronopus  [Google Images] . buck's-horn plantain, crowfoot - *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba, map

Plantago elongata . linear-leaved plantain, slender plantain - Plantaginaceae *MN* native to Minnesota, *MB* Species widespread throughout range, but elements of future concern;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation
    Plantago elongata Pursh      prairie plantain

Plantago elongata Pursh ssp. elongata      linear-leaved plaintain, prairie plantain - *MB* Species widespread throught range, more information needed on variety;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Plantago eriopoda . Alkali plantain, saline plantain - Plantaginaceae *MN* native to Minnesota :  Minnesota Threatened list, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Plantago eriopoda Torr.      redwool plantain
Plantago shastensis Greene

Plantago lanceolata . English plantain, narrow-leaved plantain, plantain, ribgrass - Plantaginaceae *MN* non-native, State prohibited weed seed (Minnesota Department of Agriculture), *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba
    Plantago lanceolata L.      narrowleaf plantain
Plantago altissima auct. non L.
Plantago lanceolata L. var. angustifolia Poir. (WI)
Plantago lanceolata L. var. sphaerostachya Mert. & Koch

Plantago major . broad-leaved plantain, common plantain, plantain, whiteman's-foot - Plantaginaceae *MN* non-native, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba
    Plantago major L.      common plantain
Plantago asiatica auct. non L.
Plantago halophila Bickn.
Plantago major L. var. asiatica auct. non (L.) Dcne.
Plantago major L. var. intermedia (DC.) Pilger
Plantago major L. ssp. intermedia (DC.) Arcang.
Plantago major L. var. pachyphylla Pilger
Plantago major L. var. pilgeri Domin
Plantago major L. var. scopulorum Fries & Broberg

Plantago maritima  [Google Images] . seaside plantain - *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Plantago media L.      dwarf plantain, hoary plantain - *WI*,  *MB* Species widespread, abundant, and apparently secure throughout range; not native to Manitoba
Plantago media L. var. monnieri (Giraud.) Roug.

Plantago patagonica . patgagonia Indian-wheat, Pursh's plantain - Plantaginaceae *MN* non-native, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range
    Plantago patagonica Jacq.      woolly plantain
Plantago gnaphalioides Nutt. (WI)
Plantago oblonga E.Morris (WI)
Plantago patagonica Jacq. var. breviscapa (Shinners) Shinners
Plantago patagonica Jacq. var. gnaphalioides (Nutt.) Gray
Plantago patagonica Jacq. var. oblonga (Morris) Shinners
Plantago patagonica Jacq. var. spinulosa (Dcne.) Gray
Plantago picta Morris
Plantago purshii Roemer & J.A. Schultes
Plantago purshii Roemer & J.A. Schultes var. breviscapa Shinners
Plantago purshii Roemer & J.A. Schultes var. oblonga (Morris) Shinners
Plantago purshii Roemer & J.A. Schultes var. picta Pilger
Plantago purshii Roemer & J.A. Schultes var. spinulosa (Dcne.) Shinners
Plantago spinulosa Dcne.
Plantago wyomingensis Gandog.

Plantago patagonica var. patagonica . Pursh's plantain - Plantaginaceae *MN* non-native

Plantago patagonica var. spinulosa . Pursh's plantain - Plantaginaceae *MN* non-native

Plantago psyllium . Leafy-stemmed plantain, psyllium, whorled plantain - Plantaginaceae *MN* non-native, *WI*, *MB* More information needed on abundance of species throughout range; not native to Manitoba
    Plantago psyllium L.      sand plantain
Plantago arenaria Waldst. & Kit.
Plantago indica L.
Plantago scabra Moench

Plantago rugelii . American plantain, black-seed plantain, black-seeded plantain, red-stalked plantain, Rugel's plantain - Plantaginaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range
    Plantago rugelii Dcne.      blackseed plantain
Plantago rugelii Decne. var. alterniflora Farw.
Plantago rugelii Decne. var. aspera Farw.

Plantago rugelii Dcne. var. rugelii      blackseed plantain

Plantago virginica . dwarf plantain, hoary plantain, pale-seed plantain, Virginia plantain - Plantaginaceae *MN* origin undetermined, *WI*
    Plantago virginica L.      Virginia plantain
Plantago accendens Raf. (WI)
Plantago caroliniana Walter (WI)
Plantago connivens Moench (WI)
Plantago ludoviciana Raf. (WI)
Plantago missouriensis Steud. (WI)
Plantago purpurascens Nutt. ex Rapin (WI)
Plantago virginica L. var. viridescens Fern.


Family Orchidaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 547

Platanthera L.C. Rich.      fringed orchid
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Platanthera aquilonis Sheviak . northern green orchid  - *WI*
Platanthera hyperborea (L.) Lindl. of many authors (WI)

Platanthera ×andrewsii (M. White) Luer  . Andrews' bog orchid - *WI*
Habenaria ×andrewsii M. White

Platanthera ×bicolor (Raf.) Luer (pro sp.)     
Habenaria bicolor (Raf.) Beckner

Platanthera blephariglottis (Willd.) Lindl.      white fringed orchid

Platanthera blephariglottis (Willd.) Lindl. var. blephariglottis      white fringed orchid - WI [Excluded in Wisconsin]
Blephariglotis blephariglottis (Willd.) Rydb.
Habenaria blephariglottis (Willd.) Hook.

Platanthera ciliaris (L.) Lindl.      yellow fringed orchid - WI [Excluded in Wisconsin]
Blephariglotis ciliaris (L.) Rydb.
Habenaria ciliaris (L.) R. Br. ex Ait. f.

Platanthera clavellata . club-spur orchid, green woodland orchid, small green fringed orchid, small green wood orchid - Orchidaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Platanthera clavellata (Michx.) Luer      small green wood orchid
Denslovia clavellata (Michx.) Rydb. (WI)
Gymnadeniopsis clavellata (Michx.) Rydb.
Habenaria clavellata (Michx.) Spreng.
Habenaria clavellata (Michx.) Spreng. var. ophioglossoides Fern.
Habenaria clavellata (Michx.) Spreng. var. wrightii Olive
Orchis clavellata Michx. (WI)

Platanthera dilatata . bog candle, boreal bog orchid, leafy white orchis, tall white bog orchid, white bog orchid - Orchidaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread and abundant in Manitoba, but with elements of future concern
    Platanthera dilatata (Pursh) Lindl. ex Beck      scentbottle

Platanthera dilatata (Pursh) Lindl. ex Beck var. dilatata      boreal bog orchid, leafy white orchis, scentbottle, scent-bottle, white bog orchid - *WI*
Habenaria dilatata (Pursh) Hook.
Limnorchis dilatata (Pursh) Rydb.
Orchis dilatata Pursh (WI)
Platanthera dilatata (Pursh) Lindl. ex Beck var. angustifolia Hook.

Platanthera dilatata (Pursh) Lindl. ex Beck X P. huronensis (Nutt.) Lindl. *WI* +

Platanthera flava (L.) Lindl.      palegreen orchid, pale green orchid, tubercled orchid - *WI*

Platanthera flava var. herbiola . pale green orchid, tubercled orchid, tubercled rein orchid - Orchidaceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Platanthera flava (L.) Lindl. var. herbiola (R. Br. ex Ait. f.) Luer      palegreen orchid
Habenaria flava (L.) R. Br. var. herbiola (R. Br. ex Ait. f.) Ames & Correll
Habenaria herbiola R.Br. (WI)

Platanthera hookeri . Hooker's orchid, Hooker's orchis, pad-leaf - Orchidaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation
    Platanthera hookeri (Torr. ex Gray) Lindl.      Hooker's orchid
Habenaria hookeri Torr. ex Gray
Habenaria hookeri Torr. ex Gray var. abbreviata Fern.
Lysias hookeriana (Torr. ex Gray) Rydb.
Orchis hookeri (Torr. ex A.Gray) A.W.Wood (WI)
Platanthera hookeri (Torr. ex A.Gray) Lindl. var. abbreviata (Fernald) W.J.Schrenk (WI)

Platanthera huronensis (Nutt.) Lindl.      Huron green orchid tall nothern bog orchid - *WI*
Habenaria dilatata (Pursh) Hook. var. media (Rydb.) Ames (WI)
Habenaria huronensis (Nutt.) Spreng.
Habenaria hyperborea (L.) R. Br. ex Ait. f. var. huronensis (Nutt.) Farw.
Habenaria X media (Rydb.) G.Niles (pro sp.) (WI)
Limnorchis huronensis (Nutt.) Rydb. (WI)
Limnorchis media Rydb. (WI)
Orchis huronensis Nutt. (WI)
Platanthera hyperborea (L.) Lindl. var. huronensis (Nutt.) Luer
Platanthera hyperborea (L.) Lindl. var. major Lange
Platanthera X media (Rydb.) Luer (pro sp.) (WI)

Platanthera hyperborea .  bog orchis, northern green orchid, tall Northern bog orchid - Orchidaceae *MN* native to Minnesota - WI [Excluded in Wisconsin], *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Platanthera hyperborea (L.) Lindl.      northern green orchid
Habenaria hyperborea (L.) R.Br. (WI)
Limnorchis hyperborea (L.) Rydb. (WI)
Orchis hyperborea L. (WI)
Platanthera hyperborea (L.) Lindl. var. hyperborea (WI)
Platanthera hyperborea (L.) Lindl. var. minor Lange (WI)

Platanthera hyperborea (L.) Lindl. var. hyperborea      northern green orchid
Habenaria hyperborea (L.) R. Br. ex Ait. f.
Limnorchis hyperborea (L.) Rydb.
Platanthera hyperborea (L.) Lindl. var. minor Lange

Platanthera lacera .  green frin, *MB* Species widespread, abundant, and apparently secure throughout range;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation
    Platanthera lacera (Michx.) G. Don      green fringed orchid
Blephariglotis lacera (Michx.) Farw.
Habenaria lacera (Michx.) R. Br.
Habenaria lacera (Michx.) R. Br. var. terrae-novae Fern.
Platanthera lacera (Michx.) G. Don var. terrae-novae (Fern.) Luer

Platanthera lacera var lacera  [Google Images] . fringed orchid - *MB* Species abundant throughout range, variety uncertain;  rare in Manitoba, less than 20 occurrences, may be vulnerable to extirpation

Platanthera leucophaea (Nutt.) Lindl.      eastern prairie fringed orchid, eastern prairie white-fringed orchid, prairie white fringed orchid - *WI*, *MB* Species rare throughout its range, vulnerable to extirpation (less than 20 occurrences); SRF
Blephariglotis leucophaea (Nutt.) Farw.
Habenaria leucophaea (Nutt.) Gray
Habenaria leucophaea (Nutt.) A.Gray var. leucophaea (WI)
Orchis leucophaea Nutt. (WI)

Platanthera macrophylla (Goldie) Lindl.      greater roundleaved orchid,  large round-leaved orchid - *WI*
Habenaria macrophylla Goldie
Habenaria orbiculata (Pursh) Torr. var. macrophylla (Goldie) Boivin
Lysias macrophylla (Goldie) House (WI)
Platanthera orbiculata (Pursh) Lindl. var. macrophylla (Goldie) Luer

Platanthera x media . Intermediate bog orchid - Orchidaceae *MN* native to Minnesota
    Platanthera ×media (Rydb.) Luer (pro sp.)     
Habenaria dilatata (Pursh) Hook. var. media (Rydb.) Hultén
Habenaria media (Rydb.) Niles
Limnorchis media Rydb.
Platanthera convallariifolia (Fisch.) Lindl. var. dilatatoides Hultén
Platanthera dilatata (Pursh) Lindl. ex Beck var. chlorantha Hultén

Platanthera obtusata . blunt bog orchid, blunt-leaved orchid, small northern bog orchid - Orchidaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; widespread, abundant, and apparently secure in Manitoba
    Platanthera obtusata (Banks ex Pursh) Lindl.      bluntleaved orchid
Habenaria obtusata (Banks ex Pursh) Richards.
Habenaria obtusata (Banks ex Pursh) Richards. var. collectanea Fern.
Lysiella obtusata (Banks ex Pursh) Rydb.
Orchis obtusata Banks ex Pursh (WI)
Platanthera obtusata (Banks ex Pursh) Lindl. ssp. oligantha (Turcz.) Hultén

Platanthera orbiculata . Large round-leaved orchid, round-leaved bog orchid - Orchidaceae *MN* native to Minnesota, *WI*, *MB* Species abundant and widespread throughout range, but more information needed;  uncommon in Manitoba, less than 100 occurrences
    Platanthera orbiculata (Pursh) Lindl.      lesser roundleaved orchid
Habenaria orbiculata (Pursh) Torr.
Habenaria orbiculata (Pursh) Torr. var. lehorsii Fern.
Habenaria orbiculata (Pursh) Torr. var. menziesii (Lindl.) Fern.
Lysias orbiculata (Pursh) Rydb.
Orchis orbiculata Pursh (WI)
Platanthera orbiculata (Pursh) Lindl. var. lehorsii (Fernald) Catling (WI)
Platanthera orbiculata (Pursh) Lindl. var. orbiculata (WI)

Platanthera orbiculata var macrophylla  [Google Images] . round-leaved bog orchid - *MB* Species apparently widespread and abundant throughout range but more information needed; variety widespread but elements of future concern

Platanthera orbiculata var orbiculata  [Google Images] . round-leaved bog orchid - *MB* Species apparently widespread and abundant throughout range, but need more information, variety uncertain

Platanthera praeclara . Western prairie fringed orchid - Orchidaceae - Federal Threatened list *MN* native to Minnesota, *MB* Species rare throughout its range, vulnerable to extirpation (less than 20 occurrences); very rare in Manitoba, less than 5 occurrences, vulnerable to extirpation - endangered
    Platanthera praeclara Sheviak & Bowles      Great Plains white fringed orchid
Habenaria leucophaea (Nutt.) Gray var. praeclara (Sheviak & Bowles) Cronq.

Platanthera psycodes . lesser purple fringed orchid, small purple fringed orchid - Orchidaceae *MN* native to Minnesota, *WI*, *MB* Species widespread, abundant, and apparently secure throughout range; very rare in Manitoba, less than 5 occurrences, vulnerable to extirpation
    Platanthera psycodes (L.) Lindl.      lesser purple fringed orchid
Blephariglotis psycodes (L.) Rydb.
Habenaria psycodes (L.) Spreng.
Habenaria psycodes (L.) Spreng. var. psycodes (WI)
Orchis psycodes L. (WI)

Platanthera ×vossii Case     


Family Platanaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 242

Platanus L.      sycamore
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Platanus occidentalis L.      American plane-tree, American sycamore American plane-tree, sycamore - *WI*
Platanus glabrata Fernald
Platanus occidentalis L. f. attenuata Sarg.
Platanus occidentalis L. var. glabrata (Fern.) Sarg.


Compositae 3 :  347
Family Asteraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pluchea Cass.      camphorweed
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pluchea camphorata (L.) DC. . camphor pluchea, marsh fleabane - WI [Excluded in Wisconsin]

Pluchea odorata (L.) Cass.      sweetscent

Pluchea odorata (L.) Cass. var. succulenta (Fern.) Cronq.      sweetscent
Pluchea purpurascens (Sw.) DC. var. succulenta Fern.


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Poa L.      bluegrass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Poa alpina L.      alpine bluegrass
Poa alpina L. var. vivipara L.
Poa alpina L. ssp. vivipara (L.) Arcang.
Poa vivipara (L.) Willd.

Poa alsodes . grove bluegrass, wood bluegrass, woodland bluegrass - Poaceae *MN* native to Minnesota, *WI*
    Poa alsodes Gray      grove bluegrass

Poa annua . Annual bluegrass, speargrass - Poaceae *MN* non-native, *WI*
    Poa annua L.      annual bluegrass
Poa annua L. var. aquatica Aschers.
Poa annua L. var. reptans Hausskn.

Poa arida . Plains bluegrass - Poaceae *MN* native to Minnesota
    Poa arida Vasey      plains bluegrass
Poa glaucifolia Scribn. & Williams ex Williams
Poa pseudopratensis Scribn. & Rydb.

Poa autumnalis Muhl. ex Ell.      autumn bluegrass
Poa flexuosa Muhl., non Sm.

Poa bulbosa . Bulbous bluegrass - Poaceae *MN* non-native, *WI*
    Poa bulbosa L.      bulbous bluegrass

Poa chaixii . Tall bluegrass - Poaceae *MN* non-native
    Poa chaixii Vill.      broadleaf bluegrass

Poa compressa . Canada bluegrass, wiregrass - Poaceae *MN* non-native, *WI*
    Poa compressa L.      Canada bluegrass

Poa glauca . Pale bluegrass,  glaucous bluegrass - Poaceae *MN* native to Minnesota, *WI*
    Poa glauca Vahl      glaucous bluegrass
Poa glauca Vahl subsp. conferta (Blytt) Lindm. (WI)
Poa glauca Vahl subsp. glauca (WI)
Poa glauca Vahl var. conferta (Blytt) Nannf. (WI)
Poa glauca Vahl var. laxiuscula (Blytt) Lindm. (WI)

Poa glauca Vahl ssp. glauca      glaucous bluegrass
Poa glaucantha Gaudin
Poa glauca Vahl var. conferta (Blytt) Nannf.
Poa glauca Vahl ssp. conferta (Blytt) Lindm.
Poa glauca Vahl ssp. glaucantha (Gaudin) Lindm.
Poa glauca Vahl var. laxiuscula (Blytt) Lindm.
Poa nascopieana Polunin
Poa scopulorum Butters & Abbe
Poa ×tormentuosa Butters & Abbe

Poa interior . Inland bluegrass - Poaceae *MN* native to Minnesota - WI [Excluded in Wisconsin]
Poa nemoralis L. subsp. interior (Rydb.) W.A.Weber (WI)
Poa nemoralis L. var. interior (Rydb.) Butters & Abbe (WI)

Poa languida . Weak bluegrass - Poaceae *MN* native to Minnesota, *WI*

Poa nemoralis . Sylvan bluegrass,  wood bluegrass - Poaceae *MN* non-native, *WI*
    Poa nemoralis L.      wood bluegrass

Poa nemoralis L. ssp. interior (Rydb.) W.A. Weber      inland bluegrass
Poa interior Rydb.
Poa nemoralis L. var. interior (Rydb.) Butters & Abbe

Poa nemoralis L. ssp. nemoralis      wood bluegrass

Poa paludigena . Bog bluegrass, marsh bluegrass, Patterson's bluegrass - Poaceae *MN* native to Minnesota :  Minnesota Threatened list, *WI*
    Poa paludigena Fern. & Wieg.      bog bluegrass

Poa palustris . Fowl bluegrass,  fowl meadow grass, marsh bluegrass - Poaceae *MN* native to Minnesota, *WI*
    Poa palustris L.      fowl bluegrass
Poa crocata Michx.
Poa eyerdamii Hultén
Poa triflora Gilib.

Poa pratensis . Kentucky bluegrass - Poaceae *MN* non-native, *WI*
    Poa pratensis L.      Kentucky bluegrass
Poa agassizensis B.Boivin & D.Löve (WI)
Poa alpigena (Fr. ex Blytt) Lindm. (WI)
Poa alpigena (Fr. ex Blytt) Lindm. subsp. colpodea (Fr. ex Blytt) Tzvelev (WI)
Poa alpigena (Fr. ex Blytt) Lindm. var. colpodea (Fr. ex Blytt) Schol. (WI)
Poa angustifolia L. (WI)
Poa pratensis L. subsp. agassizensis (B.Boivin & D.Löve) Roy L.Taylor & MacBryde (WI)
Poa pratensis L. subsp. alpigena (Fr. ex Blytt) Hiitonen (WI)
Poa pratensis L. subsp. angustifolia (L.) Lej. (WI)
Poa pratensis L. subsp. colpodea (Fr. ex Blytt) Tzvelev (WI)
Poa pratensis L. var. angustifolia (L.) Gaudin (WI)
Poa pratensis L. var. alpigena Fr. ex Blytt (WI)
Poa pratensis L. var. colpodea (Fr. ex Blytt) Schol. (WI)
Poa pratensis L. var. domestica Laest. (WI)
Poa pratensis L. var. gelida (Roem. & Schult.) Böcher (WI)
Poa pratensis L. var. iantha Wahlenb. (WI)
Poa pratensis L. var. vivipara (Malmgren) B.Boivin (WI)

Poa pratensis L. ssp. pratensis      Kentucky bluegrass
Poa agassizensis Boivin & D. Löve
Poa angustifolia L.
Poa pratensis L. ssp. agassizensis (Boivin & D. Löve) Taylor & MacBryde
Poa pratensis L. ssp. angustifolia (L.) Lej.
Poa pratensis L. var. angustifolia (L.) Gaudin
Poa pratensis L. var. domestica Laestad.
Poa pratensis L. var. gelida (Roemer & J.A. Schultes) Böcher
Poa pratensis L. var. iantha Wahlenb.

Poa saltuensis . Pasture bluegrass,  woodland bluegrass - Poaceae *MN* native to Minnesota, *WI*
    Poa saltuensis Fern. & Wieg.      oldpasture bluegrass
Poa debilis Torr.
Poa languida A.S. Hitchc.
Poa saltuensis Fern. & Wieg. var. microlepis Fern. & Wieg.

Poa secunda J. Presl      Sandberg bluegrass
Poa ampla Merr.
Poa brachyglossa Piper
Poa buckleyana Nash
Poa canbyi (Scribn.) T.J. Howell
Poa confusa Rydb.
Poa englishii St. John & Hardin
Poa gracillima Vasey
Poa gracillima Vasey var. multnomae (Piper) C.L. Hitchc.
Poa incurva Scribn. & Williams
Poa juncifolia Scribn.
Poa juncifolia Scribn. var. ampla (Merr.) Dorn
Poa juncifolia Scribn. ssp. porteri Keck
Poa laevigata Scribn.
Poa nevadensis Vasey ex Scribn.
Poa nevadensis Vasey ex Scribn. var. juncifolia (Scribn.) Beetle
Poa orcuttiana Vasey
Poa sandbergii Vasey
Poa scabrella (Thurb.) Benth. ex Vasey
Poa secunda J. Presl var. elongata (Vasey) Dorn
Poa secunda J. Presl var. incurva (Scribn. & Williams) Beetle
Poa secunda J. Presl ssp. juncifolia (Scribn.) Soreng
Poa secunda J. Presl var. stenophylla (Vasey) Beetle
Poa stenantha Trin. var. sandbergii (Vasey) Boivin

Poa sylvestris . forest bluegrass, woodland bluegrass - Poaceae *MN* native to Minnesota, *WI*
    Poa sylvestris Gray      woodland bluegrass

Poa trivialis . Rough bluegrass - Poaceae *MN* non-native, *WI*
    Poa trivialis L.      rough bluegrass

Poa tormentuosa . Wooly bluegrass - Poaceae *MN* native to Minnesota

Poa wolfii . Wolf's bluegrass - Poaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Poa wolfii Scribn.      Wolf's bluegrass


Family Berberidaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 126

Podophyllum L.      mayapple
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Podophyllum peltatum . Mayapple, May-apple, wild mandrake - *WI* - Berberidaceae *MN* native to Minnesota
    Podophyllum peltatum L.      mayapple
Podophyllum peltatum L. f. aphyllum Plitt (WI)
Podophyllum peltatum L. f. biltmoreanum Steyerm. (WI)
Podophyllum peltatum L. f. deamii Raymond (WI)
Podophyllum peltatum L. f. polycarpum (Clute) Plitt (WI)


Podostemum Michx.      riverweed

Podostemum ceratophyllum Michx.      hornleaf riverweed
Podostemum abrotanoides Nutt.


Family Orchidaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 547

Pogonia Juss.      pogonia
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pogonia ophioglossoides .  adder's-mouth, rose pogonia, snakemouth orchid - Orchidaceae *MN* native to Minnesota, *WI*
    Pogonia ophioglossoides (L.) Ker-Gawl.      snakemouth orchid
Pogonia ophioglossoides (L.) Ker Gawl. f. albiflora E.L.Rand & Redfield (WI)
Pogonia ophioglossoides (L.) Ker Gawl. f. ophioglossoides (WI)
Pogonia ophioglossoides (L.) Ker-Gawl. var. brachypogon Fern.


Family Capparidaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 196

Polanisia Raf.      clammyweed
Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polanisia dodecandra . Clammy weed Capp,  rough-seed clammy-weed - Araceae *MN* native to Minnesota, *WI*
    Polanisia dodecandra (L.) DC.      redwhisker clammyweed

Polanisia dodecandra var. dodecandra . Clammy weed Capp,  rough-seed clammy-weed - Araceae *MN* native to Minnesota, *WI*
    Polanisia dodecandra (L.) DC. ssp. dodecandra      redwhisker clammyweed
Cleome dodecandra L.  (WI)
Polanisia dodecandra (L.) DC. var. dodecandra (WI)
Polanisia graveolens Raf.

Polanisia dodecandra var. trachysperma . Clammy weed Capp,  large clammy-weed - Araceae *MN* native to Minnesota, *WI*
    Polanisia dodecandra (L.) DC. ssp. trachysperma (Torr. & Gray) Iltis      sandyseed clammyweed
Polanisia dodecandra (L.) DC. var. trachysperma (Torr. & Gray) Iltis
Polanisia trachysperma Torr. & Gray

Polanisia jamesii . James' clammy-weed, James' cristatella, James's polanisia Capp - Araceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Polanisia jamesii (Torr. & Gray) Iltis      James' clammyweed
Cristatella jamesii Torr. & Gray


Family Polemoniaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 52

Polemonium L.      Jacob's-ladder
Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polemonium caeruleum L.      charity, western polemonium - WI [Excluded in Wisconsin]

Polemonium occidentale Greene      western Jacob's-ladder, western polemonium - *WI*

Polemonium occidentale ssp. lacustre . Western Jacob's ladder, western polemonium - Polemoniaceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Polemonium occidentale Greene ssp. lacustre Wherry      western polemonium
Polemonium occidentale Greene var. lacustre (Wherry) Lakela

Polemonium reptans .  Greek-valerian, spreading Jacob's ladder - Polemoniaceae *MN* native to Minnesota, *WI*
    Polemonium reptans L.      Greek valerian

Polemonium reptans L. var. reptans      Greek valerian, spreading Jacob's-ladder - *WI*


Family Polygalaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 446

Polygala L.      polygala
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polygala ambigua Nutt.      whorled milkwort
Polygala verticillata L. var. ambigua (Nutt.) Wood
Polygala verticillata L. var. dolichoptera Fern.

Polygala cruciata . cross milkwort, cross-leaf milkwort, cross-leaved milkwort,  drum-heads - Polygalaceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Polygala cruciata L.      drumheads
Polygala cruciata L. var. aquilonia Fernald & B.G.Schub. (WI)

Polygala cruciata L. var. aquilonia Fern. & Schub.      drumheads

Polygala incarnata L.      pink milkwort, procession flower - *WI*
Galypola incarnata (L.) Nieuwl.

Polygala paucifolia . flowering-wintergreen, fringed polygala, gay-wings, gaywings - Polygalaceae *MN* native to Minnesota, *WI*
    Polygala paucifolia Willd.      gaywings
Triclisperma paucifolia (Willd.) Nieuwl.

Polygala polygama Walter . bitter milkwort, purple milkwort, racemed milkwort - *WI*

Polygala polygama var. obtusata .  bitter milkwort, purple milkwort, racemed milkwort - Polygalaceae *MN* native to Minnesota, *WI*
    Polygala polygama Walt.      racemed milkwort
Polygala aboriginum Small
Polygala polygama Walt. var. obtusata Chod.
Polygala polygama Walt. var. ramulosa Farw.

Polygala sanguinea . Blood milkwort, field milkwort, purple milkwort - Polygalaceae *MN* native to Minnesota, *WI*
    Polygala sanguinea L.      purple milkwort
Polygala sanguinea L. f. albiflora Millsp. (WI)
Polygala sanguinea L. f. typica Farw. (WI)
Polygala sanguinea L. f. viridescens (L.) Farw. (WI)
Polygala viridescens L.

Polygala senega . Seneca snakeroot, senega root - Polygalaceae *MN* native to Minnesota, *WI*
    Polygala senega L.      Seneca snakeroot
Polygala senega L. var. latifolia Torr. & Gray

Polygala verticillata L. . whorled milkwort- *WI* * +

Polygala verticillata L. var. ambigua (Nutt.) A.W.Wood . whorled milkwort - *WI* +
Polygala ambigua Nutt. (WI)

Polygala verticillata var. isocycla . Whorled milkwort,  short whorled milkwort - Polygalaceae *MN* native to Minnesota, *WI*
    Polygala verticillata L.      whorled milkwort

Polygala verticillata L. var. isocycla Fern.      whorled milkwort
Polygala verticillata L. var. sphenostachya Pennell

Polygala verticillata L. var. sphenostachya Pennell . whorled milkwort - *WI* +

Polygala verticillata L. var. verticillata      tall whorled milkwort, whorled milkwort - *WI*
Polygala pretzii Pennell

Polygala vulgaris L.      common milkwort


Family Liliaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 495

Polygonatum P. Mill.      Solomon's seal
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polygonatum biflorum . Giant Solomon's-seal, king Solomon's-seal, smooth Solomon's-seal, Solomon's-seal - Liliaceae *MN* native to Minnesota, *WI*
    Polygonatum biflorum (Walt.) Ell.      smooth Solomon's seal
Polygonatum biflorum (Walter) Elliot var. commutatum (Schult.f.) Morong (WI)
Polygonatum biflorum (Walter) Elliott var. melleum (Farw.) R.P.Ownbey (WI)
Polygonatum canaliculatum auct. non (Muhl. ex Willd.) Pursh (WI)
Polygonatum cobrense (Wooton & Standl.) R.R.Gates (WI)
Polygonatum commutatum (Schult.f.) A.Dietr. (WI)
Polygonatum commutatum (Schult.f.) A.Dietr. f. foliatum H.M.Clarke (WI)
Polygonatum giganteum A.Dietr. (WI)
Polygonatum melleum Farw. (WI)

Polygonatum biflorum (Walt.) Ell. var. commutatum (J.A. & J.H. Schultes) Morong      smooth Solomon's seal
Convallaria biflora Walt. p.p.
Polygonatum canaliculatum auct. non (Muhl. ex Willd.) Pursh
Polygonatum commutatum (J.A. & J.H. Schultes) A. Dietr.

Polygonatum biflorum (Walt.) Ell. var. melleum (Farw.) R. Ownbey      smooth Solomon's seal
Polygonatum melleum Farw.

Polygonatum pubescens . downy Solomon's-seal, hairy Solomon's seal - Liliaceae *MN* native to Minnesota, *WI*
    Polygonatum pubescens (Willd.) Pursh      hairy Solomon's seal
Convallaria pubescens Willd.


Family Polygonaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 646

Polygonella Michx.      jointweed
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polygonella articulata . Coast jointweed,  coastal joint-weed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonella articulata (L.) Meisn.      coastal jointweed
Delopyrum articulatum (L.) Small
Polygonum articulatum L.


Family Polygonaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 646

Polygonum L.      knotweed

Polygonum achoreum . beak-seeded knotweed, blue knotweed, leathery knotweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum achoreum Blake      leathery knotweed
Polygonum erectum L. ssp. achoreum (S.F. Blake) A.& D. Löve

Polygonum amphibium .  water heart's-ease, water smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum amphibium L.      water knotweed

Polygonum amphibium var. emersum .  long-root smartweed, water heart's-ease, water smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum amphibium L. var. emersum Michx.      longroot smartweed
Persicaria amphibia (L.) S.F. Gray p.p.
Persicaria amphibia (L.) S.F. Gray var. emersa (Michx.) Hickman
Persicaria coccinea (Muhl. ex Willd.) Greene
Persicaria muehlenbergii (S. Wats.) Small
Persicaria pratincola Greene (WI)
Polygonum amphibium L. f. terrestre (Willd.) S.F.Blake (WI)
Polygonum amphibium L. var. coccineum (Muhl. ex Willd.) Farw.
Polygonum coccineum Muhl. ex Willd. f. natans (Wiegand) Stanford (WI)
Polygonum coccineum Muhl. ex Willd. f. terrestre (Willd.) Stanford (WI)
Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford (WI)
Polygonum amphibium L. var. terrestre Willd. (WI)
Polygonum coccineum Muhl. ex Willd.
Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford
Polygonum muhlenbergii S.Watson f. natans Wiegand (WI)
Polygonum coccineum Muhl. ex Willd. var. terrestre Willd.
Polygonum muehlenbergii S. Wats.
Polygonum muehlenbergii S. Wats. var. terrestre (Willd.) Trel.
Polygonum rigidulum E.Sheld. (WI)
Polygonum terrestre (Willd.) Britton, Sterns & Poggenb. (WI)

Polygonum amphibium var. stipulaceum .  water heart's-ease, water smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum amphibium L. var. stipulaceum Coleman      water smartweed
Persicaria amphibia (L.) S.F. Gray var. stipulacea (Coleman) Hara
Persicaria mesochora Greene
Persicaria nebraskensis Greene
Polygonum amphibium L. f. hirtuosum Farw. (WI)
Polygonum amphibium L. subsp. laevimarginatum Hultén (WI)
Polygonum amphibium L. var. hartwrightii (Gray) Bissell
Polygonum amphibium L. var. stipulaceum N.Coleman f. fluitans (Eaton) Fernald (WI)
Polygonum amphibium L. var. stipulaceum N.Coleman f. hirtuosum (Farw.) Fernald (WI)
Polygonum amphibium L. var. stipulaceum N.Coleman f. simile Fernald (WI)
Polygonum amphibium L. ssp. laevimarginatum Hultén
Polygonum coccineum Muhl. ex Willd. var. rigidulum (Sheldon) Stanford
Polygonum fluitans Eat.
Polygonum hartwrightii Gray
Polygonum inundatum Raf.
Polygonum natans Eat.
Polygonum natans Eaton f. genuinum Stanford (WI)
Polygonum natans Eaton f. hartwrightii (A.Gray) Stanford (WI)
Polygonum natans Eaton f. natans (WI) 

Polygonum arenastrum . Common knotweed,  door-yard knotweed, oval-leaved knotweed - Polygonaceae *MN* non-native, *WI*
    Polygonum arenastrum Jord. ex Boreau      oval-leaf knotweed
Polygonum aequale Lindm.
Polygonum aviculare L. var. arenastrum (Jord. ex Boreau) Rouy
Polygonum montereyense Brenckle

Polygonum arifolium . Halberd-leaved tearthumb - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum arifolium L.      halberdleaf tearthumb
Polygonum arifolium L. var. lentiforme Fern. & Grisc.
Polygonum arifolium L. var. pubescens (Keller) Fern.
Polygonum sagittatum L. var. pubescens Keller (WI)
Tracaulon arifolium (L.) Raf.

Polygonum aubertii Henry      Chinese fleecevine
Bilderdykia aubertii (Henry) Moldenke
Fallopia aubertii (Henry) Holub

Polygonum aviculare .  common knotweed, prostrate knotweed - Polygonaceae *MN* non-native, *WI*
    Polygonum aviculare L.      prostrate knotweed
Polygonum aviculare L. var. vegetum Ledeb.
Polygonum heterophyllum Lindl.
Polygonum monspeliense Pers.

Polygonum bellardii All.      narrowleaf knotweed, narrow-leaved knotweed - WI [Excluded in Wisconsin]
Polygonum aviculare L. var. angustissimum Meisn.
Polygonum neglectum Bess.
Polygonum provinciale K. Koch
Polygonum rurivagum Jord. ex Boreau

Polygonum X bohemicum (Chrtek & Chrtková) P.F. Zita & A.L. Jacobson . Bohemian knotweed, hybrid knotweed - *WI*

Polygonum bungeanum . Prickly smartweed - Polygonaceae *MN* non-native
    Polygonum bungeanum Turcz.      Bunge's smartweed
Persicaria bungeana (Turcz.) Nakai ex T. Mori

Polygonum buxiforme Small      box knotweed, boxwood knotweed - *WI*
Polygonum aviculare L. var. crassifolium Lange (WI)
Polygonum aviculare L. var. littorale (Link) Mert.
Polygonum littorale Link

Polygonum caespitosum Blume      oriental ladysthumb, Oriental lady's-thumb - *WI*
Polygonum cespitosum Blume [orthographic variant]

Polygonum caespitosum Blume var. longisetum (de Bruyn) A.N. Steward      oriental ladysthumb, Oriental lady's-thumb - *WI*
Persicaria longiseta (de Bruyn) Moldenke
Polygonum cespitosum Blume var. longisetum (de Bruyn) A.N. Steward [orthographic variant]
Polygonum longisetum de Bruyn

Polygonum careyi . Carey's heart's-ease, Carey's smartweed - Polygonaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Polygonum careyi Olney      Carey's smartweed
Persicaria careyi (Olney) Greene

Polygonum cilinode Michx.      fringed black bindweed, black-fringe bindweed, fringed bindweed - *WI*
Bilderdykia cilinodis (Michx.) Greene
Bilderdykia cilinodis (Michx.) Greene var. laevigata (Fern.) C.F. Reed
Fallopia cilinodis (Michx.) Holub
Polygonum cilinode Michx. f. erectum (Peck) Fernald (WI)
Polygonum cilinode Michx. var. erectum Peck (WI)
Polygonum cilinode Michx. var. laevigatum Fern.
Reynoutria cilinodis (Michx.) Shinners
Tiniaria cilinodis (Michx.) Small

Polygonum cilinode var. cilinode . Fringed false buckwheat - Polygonaceae *MN* native to Minnesota

Polygonum convolvulus L.      black bindweed, black-bindweed, false buckwheat - *WI*
Bilderdykia convolvulus (L.) Dumort. (WI)
Fallopia convolvulus (L.) A.Löve (WI)
Polygonum convolvulus L. var. convolvulus (WI)
Reynoutria convolvulus (L.) Shinners (WI)
Tiniaria convolvulus (L.) Webb. & Moq. (WI)

Polygonum convolvulus var. convolvulus . Black bindweed - Polygonaceae *MN* non-native, Minn. Stat. §1505.0740, "Secondary noxious weed"
    Polygonum convolvulus L. var. convolvulus      black bindweed
Bilderdykia convolvulus (L.) Dumort.
Fallopia convolvulus (L.) A. Löve
Reynoutria convolvulus (L.) Shinners
Tiniaria convolvulus (L.) Webb & Moq.

Polygonum convolvulus L. var. subulatum Lej. & Court.      black bindweed

Polygonum cuspidatum . Japanese knotweed, Mexican bamboo - Polygonaceae *MN* non-native, *WI*
    Polygonum cuspidatum Sieb. & Zucc.      Japanese knotweed
Fallopia japonica (Houtt.) Dcne.
Pleuropterus cuspidatus (Sieb. & Zucc.) Moldenke
Pleuropterus zuccarinii (Small) Small
Polygonum cuspidatum Sieb. & Zucc. var. compactum (Hook f.) Bailey
Polygonum zuccarinii Small
Reynoutria japonica Houtt.
Tiniaria japonica (Houtt.) Hedberg (WI)

Polygonum douglasii . Douglas' knotweed - Polygonaceae *MN* native to Minnesota
    Polygonum douglasii Greene      Douglas' knotweed

Polygonum douglasii Greene ssp. douglasii      Douglas' knotweed
Polygonum buxiforme Small var. montanum (Small) R.J. Davis
Polygonum douglasii Greene var. latifolium (Engelm.) Greene
Polygonum emaciatum A. Nels.
Polygonum montanum Small

Polygonum erectum . Erect knotweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum erectum L.      erect knotweed
Polygonum aviculare L. var. erectum (L.) Roth ex Meisn.

Polygonum fowleri B.L. Robins.      Fowler's knotweed - WI [Excluded in Wisconsin]
Polygonum buxifolium Nutt. ex Bong.

Polygonum hydropiper . Marsh waterpepper,  marsh-pepper knotweed, water-pepper - Polygonaceae *MN* non-native, *WI*
    Polygonum hydropiper L.      marshpepper knotweed
Persicaria hydropiper (L.) Opiz
Polygonum hydropiper L. var. projectum Stanford

Polygonum hydropiperoides var. hydropiperoides . false water-pepper, mild water-pepper, mild waterpepper, swamp smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum hydropiperoides Michx.      swamp smartweed
Persicaria hydropiperoides (Michx.) Small
Persicaria hydropiperoides (Michx.) Small var. breviciliata (Fern.) C.F. Reed
Persicaria hydropiperoides (Michx.) Small var. euronotora (Fern.) C.F. Reed
Persicaria hydropiperoides (Michx.) Small var. opelousana (Riddell ex Small) J.S. Wilson
Persicaria opelousana (Riddell ex Small) Small
Persicaria paludicola Small
Persicaria persicarioides (Kunth) Small
Polygonum hydropiperoides Michx. f. strigosum (Small) Stanford (WI)
Polygonum hydropiperoides Michx. var. adenocalyx (Stanford) Gleason
Polygonum hydropiperoides Michx. var. asperifolium Stanford
Polygonum hydropiperoides Michx. var. breviciliatum Fern.
Polygonum hydropiperoides Michx. var. bushianum Stanford
Polygonum hydropiperoides Michx. var. digitatum Fern.
Polygonum hydropiperoides Michx. var. euronotorum Fern.
Polygonum hydropiperoides Michx. var. hydropiperoides (WI)
Polygonum hydropiperoides Michx. var. opelousanum (Riddell ex Small) Riddell ex W. Stone
Polygonum hydropiperoides Michx. var. psilostachyum St. John
Polygonum hydropiperoides Michx. var. strigosum (Small) Stanford
Polygonum opelousanum Riddell ex Small
Polygonum opelousanum Riddell ex Small var. adenocalyx Stanford
Polygonum persicarioides Kunth

Polygonum hydropiper L. X P. punctatum Elliott *WI* +

Polygonum lapathifolium . curly-top knotweed, dock-leaved smartweed, heart's-ease, nodding smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum lapathifolium L.      curlytop knotweed
Persicaria incarnata (Ell.) Small
Persicaria lapathifolia (L.) S.F. Gray
Persicaria tomentosa (Schrank) Bickn.
Polygonum incarnatum Ell.
Polygonum incanum F.W. Schmidt
Polygonum lapathifolium L. subsp. pallidum (With.) Fr. (WI)
Polygonum lapathifolium L. var. incanum (F.W. Schmidt) W.D.J. Koch
Polygonum lapathifolium L. var. lapathifolium (WI)
Polygonum lapathifolium L. var. nodosum (Pers.) Small
Polygonum lapathifolium L. var. ovatum A. Braun
Polygonum lapathifolium L. ssp. pallidum (With.) Fries
Polygonum lapathifolium L. var. prostratum C.F.H. Wimmer
Polygonum lapathifolium L. var. salicifolium Sibthorp
Polygonum nodosum Pers.
Polygonum oneillii Brenckle
Polygonum pallidum With. (WI)
Polygonum pensylvanicum L. ssp. oneillii (Brenckle) Hultén
Polygonum scabrum Moench
Polygonum tomentosum Schrank

Polygonum orientale . kiss-me-over-the-garden-gate, Prince's feather - Polygonaceae *MN* non-native, *WI*
    Polygonum orientale L.      kiss me over the garden gate
Persicaria orientale (L.) Spach (WI)
Persicaria orientalis (L.) Spach
Polygonum spaethii Dammer

Polygonum pensylvanicum .  Pennsylvania knotweed, Pennsylvania smartweed, pinkweed - Polygonaceae *MN* native to Minnesota, Minn. Stat. §1505.0740, "Secondary noxious weed", *WI*
    Polygonum pensylvanicum L.      Pennsylvania smartweed
Persicaria bicornis (Raf.) Nieuwl.
Persicaria longistyla (Small) Small
Persicaria mississippiensis (Stanford) Small
Persicaria pensylvanica (L.) G. Maza
Persicaria pensylvanica (L.) G. Maza var. dura (Stanford) C.F. Reed
Polygonum bicorne Raf.
Polygonum longistylum Small
Polygonum longistylum Small var. omissum (Greene) Stanford
Polygonum mexicanum auct. non Small
Polygonum mississippiense Stanford
Polygonum mississippiense Stanford var. interius Stanford
Polygonum omissum Greene (WI)
Polygonum pensylvanicum L. var. durum Stanford
Polygonum pensylvanicum L. var. eglandulosum J.C. Myers
Polygonum pensylvanicum L. var. genuinum Fern.
Polygonum pensylvanicum L. var. laevigatum Fern.
Polygonum pensylvanicum L. var. laevigatum Fernald f. albineum Farw. (WI)
Polygonum pensylvanicum L. var. laevigatum Fernald f. pallescens Stanford (WI)
Polygonum pensylvanicum L. var. rosiflorum J.B.S. Norton

Polygonum persicaria . heart's-ease, lady's thumb, spotted lady's-thumb - Polygonaceae *MN* non-native, Minn. Stat. §1505.0740, "Secondary noxious weed", *WI*
    Polygonum persicaria L.      spotted ladysthumb
Persicaria maculata (Raf.) S.F. Gray
Persicaria persicaria (L.) Small
Persicaria ruderalis (Salisb.) C.F. Reed
Persicaria ruderalis (Salisb.) C.F. Reed var. vulgaris (Webb & Moq.) C.F. Reed
Persicaria vulgaris Webb & Moq.
Polygonum dubium Stein
Polygonum fusiforme Greene
Polygonum minus auct. non Huds.
Polygonum minus Huds. var. subcontinuum (Meisn.) Fern.
Polygonum persicaria L. var. angustifolium Beckh.
Polygonum persicaria L. var. ruderale (Salisb.) Meisn.
Polygonum puritanorum Fern.
Polygonum ruderale Salisb. (WI)
Polygonum strictum Meisn. var. subcontinuum Meisn. (WI)

Polygonum punctatum . Dotted smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum punctatum Ell.      dotted smartweed

Polygonum punctatum var. confertiflorum . Dotted smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum punctatum Ell. var. confertiflorum (Meisn.) Fassett      dotted smartweed
Persicaria punctata (Ell.) Small var. leptostachya (Meisn.) Small
Polygonum acre Kunth var. confertiflorum Meisn. (WI)
Polygonum acre Kunth var. leptostachyum Meisn. (WI)
Polygonum antihaemorrhoidale Mart. f. aquatile Mart. (WI)
Polygonum punctatum Elliott var. confertiflorum (Meisn.) Fassett f. longicollum Fassett (WI)
Polygonum punctatum Ell. var. leptostachyum (Meisn.) Small
Polygonum punctatum Ell. var. parvum Victorin & Rouss.

Polygonum punctatum Elliott var. littorale Fassett . dotted smartweed  - *WI* +

Polygonum punctatum var. punctatum . Dotted smartweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum punctatum Ell. var. punctatum      dotted smartweed
Persicaria punctata (Ell.) Small
Persicaria punctata (Ell.) Small var. eciliata Small
Polygonum acre Kunth
Polygonum punctatum Ell. var. aquatile (Mart.) Fern.
Polygonum punctatum Ell. var. ellipticum Fassett
Polygonum punctatum Ell. var. parviflorum Fassett

Polygonum ramosissimum . Bushy knotweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum ramosissimum Michx.      bushy knotweed
Polygonum allocarpum S.F.Blake (WI)
Polygonum atlanticum (B.L.Rob.) E.P.Bicknell (WI)
Polygonum autumnale Brenckle (WI)
Polygonum exsertum Small (WI)
Polygonum interius Brenckle (WI)
Polygonum ramosissimum Michx. f. atlanticum B.L.Rob. (WI)
Polygonum ramosissimum Michx. var. ramosissimum (WI)
Polygonum triangulum E.P.Bicknell (WI)

Polygonum ramosissimum Michx. var. prolificum Small      bushy knotweed
Polygonum prolificum (Small) B.L. Robins.

Polygonum ramosissimum Michx. var. ramosissimum      bushy knotweed
Polygonum allocarpum Blake
Polygonum atlanticum (B.L. Robins.) Bickn. p.p.
Polygonum autumnale Brenckle
Polygonum exsertum auct. p.p. non Small
Polygonum interius Brenckle
Polygonum triangulum Bickn.

Polygonum robustius (Small) Fern.      stout smartweed
Persicaria robustior (Small) Bickn.
Polygonum punctatum Ell. var. majus (Meisn.) Fassett
Polygonum punctatum Ell. var. robustius Small

Polygonum sachalinense . Giant knotwood - Polygonaceae *MN* non-native, *WI*
    Polygonum sachalinense F. Schmidt ex Maxim.      giant knotweed
Fallopia sachalinensis (F. Schmidt ex Maxim.) Dcne.
Pleuropterus sachalinensis (F.W.Schmidt ex Maxim.) H.Gross (WI)
Reynoutria sachalinensis (F. Schmidt ex Maxim.) Nakai
Tiniaria sachalinensis (F.W.Schmidt ex Maxim.) Janch. (WI)

Polygonum sagittatum . Arrow-leaved tearthumb,  arrow-leaved tear-thumb - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum sagittatum L.      arrowleaf tearthumb
Polygonum sagittatum L. var. gracilentum Fern.
Tracaulon sagittatum (L.) Small
Tracaulon sagittatum (L.) Small var. gracilentum (Fernald) C.F.Reed (WI)
Truellum sagittatum (L.) Soják
Tracaulon sagittatum (L.) Small var. gracilentum (Fern.) C.F. Reed

Polygonum scandens . climbing false buckwheat, false buckwheat - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum scandens L.      climbing false buckwheat

Polygonum scandens var. cristatum . climbing false buckwheat, false buckwheat - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum scandens L. var. cristatum (Engelm. & Gray) Gleason      climbing false buckwheat
Bilderdykia cristata (Engelm. & Gray) Greene
Bilderdykia scandens (L.) Greene var. cristata (Engelm. & Gray) C.F. Reed
Polygonum cristatum Engelm. & Gray
Reynoutria scandens (L.) Shinners var. cristata (Engelm. & Gray) Shinners
Tiniaria cristata (Engelm. & Gray) Small

Polygonum scandens L. var. dumetorum (L.) Gleason      climbing false buckwheat - WI [Excluded in Wisconsin]
Bilderdykia dumetorum (L.) Dumort.
Polygonum dumetorum L.
Reynoutria scandens (L.) Shinners var. dumetorum (L.) Shinners
Tiniaria dumetorum (L.) Opiz

Polygonum scandens var. scandens . climbing false buckwheat, false buckwheat - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum scandens L. var. scandens      climbing false buckwheat
Bilderdykia scandens (L.) Greene
Fallopia scandens (L.) Holub
Polygonum dumetorum L. var. scandens (L.) Gray
Reynoutria scandens (L.) Shinners
Tiniaria scandens (L.) Small

Polygonum setaceum Baldw.      bog smartweed
Persicaria setacea (Baldw.) Small
Persicaria setacea (Baldw.) Small var. interjecta (Fern.) C.F. Reed
Persicaria setacea (Baldw.) Small var. tonsa (Fern.) C.F. Reed
Polygonum hydropiperoides Michx. var. setaceum (Baldw.) Gleason
Polygonum setaceum Baldw. var. interjectum Fern.
Polygonum setaceum Baldw. var. tonsum Fern.

Polygonum tenue .  pleat-leaf knotweed, slender knotweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum tenue Michx.      pleatleaf knotweed
Polygonum tenue Michx. var. protrusum Fern.

Polygonum tenue Michx. var. tenue . pleat-leaf knotweed, slender knotweed - *WI* * +

Polygonum virginianum . jumpseed, Virginia knotweed, woodland knotweed - Polygonaceae *MN* native to Minnesota, *WI*
    Polygonum virginianum L.      jumpseed
Antenoron virginianum (L.) Roberty & Vautier
Persicaria virginiana (L.) Gaertn.
Polygonum virginianum L. var. glaberrimum (Fern.) Steyermark
Tovara virginiana (L.) Raf.
Tovara virginiana (L.) Raf. var. glaberrima Fern.

Polygonum viviparum var. viviparum . Alpine bistort - Polygonaceae *MN* native to Minnesota :  Minnesota Special Concern list
    Polygonum viviparum L.      alpine bistort
Bistorta vivipara (L.) S.F. Gray
Polygonum fugax Small
Polygonum macounii Small ex Macoun
Polygonum viviparum L. var. alpinum Wahlenb.
Polygonum viviparum L. var. macounii (Small ex Macoun) Hultén


Compositae 3 :  347
Family Asteraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Polymnia L.      polymnia
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polymnia canadensis . Leafcup,  pale-flowered leaf-cup, white-flowered leaf-cup - Asteraceae *MN* native to Minnesota, *WI*
    Polymnia canadensis L.      whiteflower leafcup
Polymnia canadensis L. f. radiata (A.Gray) Fassett (WI)
Polymnia canadensis L. var. radiata Gray
Polymnia radiata (Gray) Small


Family Polypodiaceae 1:19    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Polypodium L.      polypody
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polypodium filix-femina L. *WI*
    =Athyrium filix-femina var. filix-femina

Polypodium bulbiferum L. *WI*
    =Cystopteris bulbifera

Polypodium fragile L. *WI*
    =Cystopteris fragilis

Polypodium carthusianum Vill. *WI*
    =Dryopteris carthusiana
Polypodium spinulosum O.F.Müll.

Polypodium cristatum L. *WI*
    =Dryopteris cristata

Polypodium filix-mas L. *WI*
    =Dryopteris filix-mas

Polypodium fragrans L. *WI*
    =Dryopteris fragrans

Polypodium marginale L. *WI*
    =Dryopteris marginalis

Polypodium dryopteris L. *WI*
    =Gymnocarpium dryopteris

Polypodium robertianum Hoffm. *WI*
    =Gymnocarpium robertianum

Polypodium connectile Michx. *WI*
    =Phegopteris connectilis
Polypodium phegopteris L.

Polypodium hexagonopterum Michx. *WI*
    =Phegopteris hexagonoptera

Polypodium lonchitis L. *WI*
    =Polystichum lonchitis

Polypodium virginianum . Common polypody, rock-cap fern, rock polypody  - Polypodiaceae *MN* native to Minnesota, *WI*
    Polypodium virginianum L.      rock polypody
Polypodium vinlandicum A.Löve & D.Löve (WI)
Polypodium vulgare auct. p.p. non L.
Polypodium vulgare L. var. virginianum (L.) Eat.
Polypodium vulgare L. var. virginianum (L.) D.C.Eaton (WI)

Polypodium obtusum Spreng. *WI*
    =Woodsia obtusa subsp. obtusa


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Polypogon Desf.      rabbitsfoot grass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polypogon interruptus Kunth      ditch polypogon, ditch rabbitsfoot grass - *WI*
Polypogon lutosus auct. non (Poir.) A.S. Hitchc.

Polypogon monspeliensis . Annual rabbits-foot grass - Poaceae *MN* non-native - WI [Excluded in Wisconsin]
    Polypogon monspeliensis (L.) Desf.      annual rabbitsfoot grass
Alopecurus monspeliensis L.


Family Pteridaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Polystichum Roth      hollyfern
Polystichum 1:16  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polystichum acrostichoides . Christmas fern - Dryopteridaceae *MN* native to Minnesota :  Minnesota Threatened list, *WI*
    Polystichum acrostichoides (Michx.) Schott      Christmas fern
Polystichum acrostichoides (Michx.) Schott var. acrostichoides (WI)
Polystichum acrostichoides (Michx.) Schott var. schweinitzii (Beck) Small (WI)

Polystichum acrostichoides (Michx.) Schott var. acrostichoides      Christmas fern
Polystichum acrostichoides (Michx.) Schott var. schweinitzii (Beck) Small

Polystichum braunii . Braun's holly fern - Dryopteridaceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Polystichum braunii (Spenner) Fée      Braun's hollyfern
Aspidium braunii Spenn. (WI)
Polystichum braunii (Spenner) Fée var. purshii Fern.
Polystichum braunii (Spenner) Fée ssp. purshii (Fern.) Calder & Taylor

Polystichum lonchitis . Northern holly fern - Dryopteridaceae *MN* native to Minnesota - WI [Excluded in Wisconsin]
    Polystichum lonchitis (L.) Roth      northern hollyfern


Family Apiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Polytaenia DC.      hairy moss
2:632  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Polytaenia nuttallii . Nuttall's prairie-parsley, prairie-parsley, prairie parsley - Apiaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Polytaenia nuttallii DC.      Nuttall's prairie parsley
Pleiotaenia nuttallii (DC.) Coult. & Rose


Family Pontederiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 462

Pontederia L.      pontederia
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pontederia cordata . Pickerelweed,  pickerel-weed - Pontederiaceae *MN* native to Minnesota
    Pontederia cordata L.      pickerelweed
Narukila cordata (L.) Nieuwl. (WI)
Pontederia angustifolia Pursh (WI)
Pontederia cordata L. f. latifolia (Raf.) House (WI)
Pontederia cordata L. var. angustifolia (Pursh) Torr. & Ell.
Pontederia cordata L. var. cordata (WI)
Pontederia cordata L. var. lanceolata (Nutt.) Griseb.
Pontederia cordata L. var. lancifolia (Muhl. ex Ell.) Torr.
Pontederia lanceolata Nutt.
Unisema cordata (L.) Farw. (WI)


Family Salicaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  1 : 587

Populus L.      cottonwood
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Populus alba .  silver poplar, white poplar - Salicaceae *MN* non-native, *WI*
    Populus alba L.      white poplar
Populus alba L. var. bolleana Lauche
Populus alba L. var. pyramidalis Bunge

Populus balsamifera . Balsam popla, hackmatack - Salicaceae *MN* native to Minnesota, *WI*
    Populus balsamifera L.      balsam poplar

Populus balsamifera L. ssp. balsamifera      balsam poplar, hackmatack - *WI*
Populus balsamifera L. var. candicans (Ait.) Gray
Populus balsamifera L. var. fernaldiana Rouleau
Populus balsamifera L. var. lanceolata Marsh.
Populus balsamifera L. var. michauxii (Dode) A. Henry
Populus balsamifera L. var. subcordata Hyl.
Populus candicans Ait.
Populus michauxii Dode
Populus tacamahaca P. Mill.
Populus tacamahaca P. Mill. var. candicans (Ait.) Stout
Populus tacamahaca P. Mill. var. lanceolata (Marsh.) Farw.
Populus tacamahaca P. Mill. var. michauxii (Dode) Farw.

Populus ×canadensis Moench (pro sp.)      Canada poplar, Carolina poplar -  WI [Excluded in Wisconsin]
Populus canadensis Moench (WI)
Populus canadensis Moench var. eugenei (Simon-Louis) Schelle
Populus canadensis Moench var. serotina (T. Hartig) Rehd.
Populus ×eugenei Simon-Louis
Populus euramericana Guinier

Populus ×canescens (Ait.) Sm. (pro sp.)      curly poplar, gray poplar - *WI*
Populus alba L. var. canescens Ait.
Populus hybrida Bieb.

Populus deltoides Bartr. ex Marsh.      eastern cottonwood - *WI*

Populus deltoides Bartr. ex Marsh. ssp. deltoides      eastern cottonwood
Populus angulata Ait.
Populus angulata Ait. var. missouriensis A. Henry
Populus balsamifera L. var. missouriensis (A. Henry) Rehd.
Populus balsamifera L. var. pilosa Sarg.
Populus balsamifera L. var. virginiana (Foug.) Sarg.
Populus canadensis Moench var. virginiana (Foug.) Fiori
Populus deltoides Bartr. ex Marsh. var. angulata (Ait.) Sarg.
Populus deltoides Bartr. ex Marsh. var. missouriensis (A. Henry) A. Henry
Populus deltoides Bartr. ex Marsh. var. pilosa (Sarg.) Sudworth
Populus deltoides Bartr. ex Marsh. var. virginiana (Foug.) Sudworth
Populus nigra L. var. virginiana (Foug.) Castigl.
Populus palmeri Sarg.
Populus virginiana Foug.
Populus virginiana Foug. var. pilosa (Sarg.) F.C. Gates

Populus deltoides Bartr. ex Marsh. ssp. monilifera (Ait.) Eckenwalder      plains cottonwood - *WI*
Monilistus monilifera (Ait.) Raf. ex B.D. Jackson
Populus besseyana Dode
Populus deltoides Bartr. ex Marsh. var. occidentalis Rydb.
Populus monilifera Ait.
Populus occidentalis (Rydb.) Britt. ex Rydb.
Populus sargentii Dode
Populus sargentii Dode var. texana (Sarg.) Correll
Populus texana Sarg.

Populus deltoides var. occidentalis . Cottonwood - Salicaceae *MN* native to Minnesota

Populus grandidentata . Big-toothed aspen, large-toothed aspen - Salicaceae *MN* native to Minnesota, *WI*
    Populus grandidentata Michx.      bigtooth aspen
Populus grandidentata Michx. var. angustata Victorin
Populus grandidentata Michx. var. meridionalis Tidestrom
Populus grandidentata Michx. var. subcordata Victorin

Populus ×heimburgeri Boivin     

Populus heterophylla L.      swamp cottonwood
Populus argentea Michx. f.

Populus x jackii . balm-of-Gilead, Jack's cottonwood, Jack's poplar - Salicaceae *MN* native to Minnesota, *WI*
    Populus ×jackii Sarg.      balm-of-Gilead
Populus ×andrewsii Sarg.
Populus ×bernardii Boivin
Populus candicans auct. non Aiton (WI)
Populus ×dutillyi Lepage
Populus ×generosa Henry
Populus gileadensis Rouleau (WI)
Populus ×gileadensis Rouleau
Populus manitobensis Dode

Populus nigra . black poplar, Lombardy poplar - Salicaceae *MN* non-native, *WI*
    Populus nigra L.      Lombardy poplar
Populus dilatata Ait.
Populus italica (Du Roi) Moench
Populus nigra L. var. italica Du Roi

Populus ×rouleauiana Boivin     

Populus x smithii . Smith's aspen - Salicaceae *MN* native to Minnesota
    Populus ×smithii Boivin     
Populus ×barnesii W.H. Wagner

Populus tremuloides . aspen, quaking aspen - Salicaceae *MN* native to Minnesota, *WI*
    Populus tremuloides Michx.      quaking aspen
Populus aurea Tidestrom
Populus cercidiphylla Britt.
Populus ×polygonifolia Bernard
Populus tremuloides Michx. var. aurea (Tidestrom) Daniels
Populus tremuloides Michx. var. cercidiphylla (Britt.) Sudworth
Populus tremuloides Michx. var. intermedia Victorin
Populus tremuloides Michx. var. magnifica Victorin
Populus tremuloides Michx. var. rhomboidea Victorin
Populus tremula L. ssp. tremuloides (Michx.) A.& D. Löve
Populus tremuloides Michx. var. vancouveriana (Trel.) Sarg.
Populus vancouveriana Trel.


Porteranthus Britt. ex Small      porteranthus

Porteranthus stipulatus (Muhl. ex Willd.) Britt.      Indian physic
Gillenia stipulata (Muhl. ex Willd.) Nutt.

Porteranthus trifoliatus (L.) Britt.      Bowman's root
Gillenia trifoliata (L.) Moench


Family Portulacaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)   2 : 35

Portulaca L.      purslane
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Portulaca grandiflora Hook.      moss-rose, rose-moss, rose moss, *WI*

Portulaca oleracea .  common purslane, little hogweed, purslane, pusley - Portulacaceae *MN* non-native, *WI*
    Portulaca oleracea L.      little hogweed
Portulaca neglecta Mackenzie & Bush
Portulaca oleracea L. ssp. granulatostellulata (Poelln.) Danin & Baker
Portulaca oleracea L. subsp. granulato-stellulata (Poelln.) Danin & H.G.Baker (WI)
Portulaca oleracea L. ssp. impolita Danin & Baker
Portulaca oleracea L. ssp. nicaraguensis Danin & Baker
Portulaca oleracea L. ssp. nitida Danin & Baker
Portulaca oleracea L. ssp. papillatostellulata Danin & Baker
Portulaca oleracea L. ssp. stellata Danin & Baker
Portulaca retusa Engelm.


Family Potamogetonaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Potamogeton L.      pondweed
1:74  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Potamogeton alpinus . Alpine pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton alpinus Balbis      alpine pondweed, red pondweed
Potamogeton alpinus Balb. subsp. tenuifolius (Raf.) Hultén (WI)
Potamogeton alpinus Balb. var. alpinus (WI)
Potamogeton alpinus Balbis var. subellipticus (Fern.) Ogden
Potamogeton alpinus Balbis var. tenuifolius (Raf.) Ogden
Potamogeton alpinus Balbis ssp. tenuifolius (Raf.) Hultén
Potamogeton tenuifolius Raf. (WI)
Potamogeton tenuifolius Raf. var. subellipticus Fernald (WI)

Potamogeton alpinus Balb. X P. richardsonii (A.Benn.) Rydb. *WI* +

Potamogeton amplifolius .  big-leaved pondweed, broad-leaved pondweed, large-leaved pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton amplifolius Tuckerman      largeleaf pondweed

Potamogeton amplifolius Tuck. X P. praelongus Wulfen *WI* * +
Potamogeton praelongus Wulfen X P. amplifolius Tuck. (WI)

Potamogeton bicupulatus . Snailseed pondweed,  snail-seed pondweed - Potamogetonaceae *MN* native to Minnesota :  Minnesota Endangered list, *WI*
    Potamogeton bicupulatus Fern.      snailseed pondweed
Potamogeton diversifolius Raf., pro parte (WI)
Potamogeton diversifolius Raf. var. trichophyllus Morong

Potamogeton confervoides Reichenb.      alga pondweed, algal-leaved pondweed, algae-like pondweed, Tuckerman's pondweed, *WI*
Potamogeton tuckermanii J.W.Robbins (WI)

Potamogeton crispus . Curled pondweed, curly pondweed - Potamogetonaceae *MN* non-native, Prohibited exotic species (Minnesota Department of Natural Resources), *WI*
    Potamogeton crispus L.      curly pondweed

Potamogeton diversifolius Raf.      common snail-seed pondweed, water-thread pondweed, waterthread pondweed, *WI*
Potamogeton capillaceus Poir. p.p.
Potamogeton capillaceus Poir. var. atripes Fern.
Potamogeton diversifolius Raf. var. multidenticulatus (Morong) Aschers. & Graebn.

Potamogeton diversifolius var. diversifolius . Diverse-leaved pondweed - Potamogetonaceae *MN* native to Minnesota :  Minnesota Endangered list

Potamogeton epihydrus . Ribbon-leaf pondweed, ribbon-leaved pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton epihydrus Raf.      ribbonleaf pondweed
Potamogeton epihydrus Raf. ssp. nuttallii (Cham. & Schlecht.) Calder & Taylor
Potamogeton epihydrus Raf. var. cayugensis (Wiegand) A.Benn. (WI)
Potamogeton epihydrus Raf. var. nuttallii (Cham. & Schlecht.) Fern.
Potamogeton epihydrus Raf. var. ramosus (Peck) House
Potamogeton epihydrus Raf. var. typicus Fernald (WI)

Potamogeton ×faxonii Morong (pro sp.)

Potamogeton foliosus Raf.      leafy pondweed - *WI*

Potamogeton foliosus ssp. foliosus . Leafy pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton foliosus Raf. ssp. foliosus      leafy pondweed
Potamogeton curtissii Morong
Potamogeton foliosus Raf. var. foliosus (WI)
Potamogeton foliosus Raf. var. genuinus Fern.
Potamogeton foliosus Raf. var. macellus Fern.

Potamogeton friesii . Fries' pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton friesii Rupr.      Fries' pondweed

Potamogeton gramineus . Grass-leaved pondweed, variable-leaved pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton gramineus L.      variableleaf pondweed
Potamogeton gramineus L. var. graminifolius Fries
Potamogeton gramineus L. var. maximus Morong
Potamogeton gramineus L. var. myriophyllus J.W. Robbins
Potamogeton gramineus L. var. typicus Ogden
Potamogeton heterophyllus auct. non Schreb. (WI)

Potamogeton X griffithii A.Benn. (pro sp.) . Griffith's pondweed - *WI* +
Potamogeton alpinus Balb. X P. praelongus Wulfen (WI)
Potamogeton praelongus Wulfen X P. alpinus Balb. (WI)

Potamogeton ×hagstroemii Benn. (pro sp.)  . Hagstroem's pondweed  - *WI*
Potamogeton gramineus L. X P. richardsonii (A.Benn.) Rydb. (WI)

Potamogeton x haynesii . Haynes' pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton ×haynesii Hellquist & Crow
Potamogeton longiligulatus Fernald, p.p. non Morong (WI)

Potamogeton hillii Morong      Hill's pondweed - *WI*
Potamogeton porteri Fern.

Potamogeton illinoensis . Illinois pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton illinoensis Morong      Illinois pondweed
Potamogeton angustifolius Bercht. & K. Presl
Potamogeton heterophyllus Schreb.
Potamogeton lucens auct. non L.

Potamogeton illinoensis Morong X P. richardsonii (A.Benn.) Rydb. *WI* +

Potamogeton natans .  common pondweed, floating pondweed, floating-leaf pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton natans L.      floating pondweed

Potamogeton X nericius Hagstr. *WI* +
Potamogeton alpinus Balb. X P. gramineus L. (WI)
Potamogeton gramineus L. X P. alpinus Balb. (WI)

Potamogeton nodosus . American pondweed,  long-leaf pondweed, long-leaved pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton nodosus Poir.      longleaf pondweed
Potamogeton americanus Cham. & Schlecht.
Potamogeton fluitans Roth
Potamogeton fluitans auct. non Roth (WI)

Potamogeton oakesianus . Oake's pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton oakesianus J.W. Robbins      Oakes' pondweed

Potamogeton obtusifolius . Blunt-leaved pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton obtusifolius Mert. & Koch      bluntleaf pondweed

Potamogeton perfoliatus L.      claspingleaf pondweed, clasping-leaf pondweed, perfoliate pondweed, red-head-grass - WI [Excluded in Wisconsin]
Potamogeton amplexicaulis Kar.
Potamogeton bupleuroides Fern.
Potamogeton perfoliatus L. var. bupleuroides (Fern.) Farw.
Potamogeton perfoliatus L. ssp. bupleuroides (Fern.) Hultén

Potamogeton praelongus . White-stemmed pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton praelongus Wulfen      whitestem pondweed
Potamogeton praelongus Wulfen var. angustifolius Graebn.

Potamogeton praelongus Wulfen X P. richardsonii (A.Benn.) Rydb. *WI* +
Potamogeton richardsonii (A.Benn.) Rydb X P. praelongus Wulfen (WI)

Potamogeton pulcher . Spotted pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton pulcher Tuckerman      spotted pondweed

Potamogeton pusillus . slender pondweed, small pondweed, very small pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton pusillus L.      small pondweed
Potamogeton lateralis auct. pro parte, non Morong (WI)

Potamogeton pusillus ssp. pusillus . broad-leaved small pondweed, slender pondweed, small pondweed, very small pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton pusillus L. ssp. pusillus      small pondweed
Potamogeton lateralis Morong p.p.
Potamogeton panormitanus Biv.
Potamogeton panormitanus Biv. var. major G. Fisch.
Potamogeton panormitanus Biv. var. minor Biv.
Potamogeton pusillus L. var. minor (Biv.) Fern. & Schub.
Potamogeton pusillus L. var. pusillus (WI)

Potamogeton pusillus ssp. tenuissimus . narrow-leaved small pondweed, slender pondweed, small pondweed, very small pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton pusillus L. ssp. tenuissimus (Mert. & Koch) Haynes & C.B. Hellquist      small pondweed
Potamogeton berchtoldii Fieber
Potamogeton berchtoldii Fieber var. acuminatus Fieber
Potamogeton berchtoldii Fieber var. berchtoldii (WI)
Potamogeton berchtoldii Fieber var. colpophilus (Fern.) Fern.
Potamogeton berchtoldii Fieber var. lacunatus (Hagstr.) Fern.
Potamogeton berchtoldii Fieber var. mucronatus Fieber
Potamogeton berchtoldii Fieber var. polyphyllus (Morong) Fern.
Potamogeton berchtoldii Fieber var. tenuissimus (Mert. & Koch) Fern.
Potamogeton pusillus L. var. mucronatus (Fieber) Graebn.
Potamogeton pusillus L. var. tenuissimus Mert. & Koch

Potamogeton richardsonii . Richardson's pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton richardsonii (Benn.) Rydb.      Richardson's pondweed
Potamogeton perfoliatus L. var. richardsonii Benn.
Potamogeton perfoliatus L. ssp. richardsonii (Benn.) Hultén

Potamogeton richardsonii (A.Benn.) Rydb. X Potamogeton sp. *WI*

Potamogeton robbinsii . fern pondweed, Robbins' pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton robbinsii Oakes      Robbins' pondweed
Potamogeton robbinsii Oakes f. cultellatus Fassett (WI)

Potamogeton ×scoliophyllus Hagstr.   . - *WI*
Potamogeton amplifolius Tuck. X P. illinoensis Morong (WI)
Potamogeton illinoensis Morong X P. amplifolius Tuck. (WI)

Potamogeton ×spathuliformis (J.W. Robbins) Morong (pro sp.)  . - *WI*
Potamogeton gramineus L. X P. illinoensis Morong (WI)
Potamogeton illinoensis Morong X P. gramineus L. (WI)
Potamogeton varians Morong

Potamogeton spirillus . Coiled pondweed,  northern snail-seed pondweed, spiral-fruited pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton spirillus Tuckerman      spiral pondweed
Potamogeton dimorphus Raf.
Potamogeton dimorphus Raf., misapplied (WI)

Potamogeton strictifolius . narrow-leaved pondweed, stiff pondweed, straight-leaved pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton strictifolius Benn.      narrowleaf pondweed
Potamogeton longiligulatus Fern.
Potamogeton pusillus L. var. rutiloides (Fern.) Boivin
Potamogeton rutilus auct. non Wolfgang
Potamogeton strictifolius Benn. var. rutiloides Fern.
Potamogeton strictifolius Benn. var. typicus Fern.

Potamogeton X subsessilis Hagstr. *WI* +
Potamogeton epihydrus Raf. X P. nodosus Poir. (WI)

Potamogeton vaseyi . Vasey's pondweed - Potamogetonaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Potamogeton vaseyi J.W. Robbins      Vasey's pondweed
Potamogeton lateralis Morong p.p.
Potamogeton lateralis auct. pro parte, non Morong (WI)

Potamogeton zosteriformis . flat-stem pondweed, flat-stemmed pondweed - Potamogetonaceae *MN* native to Minnesota, *WI*
    Potamogeton zosteriformis Fern.      flatstem pondweed
Potamogeton compressus auct. non L.
Potamogeton zosterifolius auct. non Schumach. (WI)
Potamogeton zosterifolius Schumacher ssp. zosteriformis (Fern.) Hultén
Potamogeton zosterifolius Schumach. var. americanus A.Benn. (WI)


Family Rosaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 242

Potentilla L.      cinquefoil
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Potentilla anserina . Silverweed - Rosaceae *MN* native to Minnesota

Potentilla argentea . Silvery cinquefoil, silvery five-fingers - Rosaceae *MN* non-native, *WI*
    Potentilla argentea L.      silver cinquefoil

Potentilla argentea L. var. argentea      silver cinquefoil

Potentilla arguta .  prairie cinquefoil, tall cinquefoil, tall potentilla - Rosaceae *MN* native to Minnesota, *WI*
    Potentilla arguta Pursh      tall cinquefoil

Potentilla arguta Pursh ssp. arguta      prairie cinquefoil, tall cinquefoil, tall potentilla - *WI*
Drymocallis agrimonioides (Pursh) Rydb.
Drymocallis arguta (Pursh) Rydb.
Potentilla arguta Pursh var. arguta (WI)

Potentilla bipinnatifida Dougl. ex Hook.      tansy cinquefoil
Potentilla finitima Kohli & Packer
Potentilla pensylvanica L. var. arida Boivin
Potentilla pensylvanica L. var. bipinnatifida (Dougl. ex Hook.) Torr. & Gray

Potentilla canadensis L.      dwarf cinquefoil, running five-fingers - WI [Excluded in Wisconsin]

Potentilla canadensis L. var. canadensis      dwarf cinquefoil
Potentilla caroliniana Poir.
Potentilla pumila Poir.

Potentilla effusa . Spreading cinquefoil - Rosaceae *MN* native to Minnesota
    Potentilla effusa Dougl. ex Lehm.      branched cinquefoil
Potentilla hippiana Lehm. ssp. effusa (Dougl. ex Lehm.) Dorn
Potentilla hippiana Lehm. var. filicaulis (Nutt.) Boivin

Potentilla flabelliformis . Slender cinquefoil - Rosaceae *MN* native to Minnesota

Potentilla fruticosa . Shrubby cinquefoil - Rosaceae *MN* native to Minnesota

Potentilla gracilis Dougl. ex Hook.      northwest cinquefoil, slender cinquefoil - *WI*

Potentilla gracilis Dougl. ex Hook. var. fastigiata (Nutt.) S. Wats.      slender cinquefoil
Potentilla angustata Rydb.
Potentilla blasckeana Turcz. ex Lehm.
Potentilla blasckeana Turcz. ex Lehm. var. permollis (Rydb.) Wolf
Potentilla etomentosa Rydb.
Potentilla etomentosa Rydb. var. hallii (Rydb.) Abrams
Potentilla fastigiata Nutt.
Potentilla glomerata A. Nels.
Potentilla gracilis Dougl. ex Hook. var. blasckeana (Turcz. ex Lehm.) Jepson
Potentilla gracilis Dougl. ex Hook. var. glabrata (Lehm.) C.L. Hitchc.
Potentilla gracilis Dougl. ex Hook. ssp. nuttallii (Lehm.) Keck
Potentilla gracilis Dougl. ex Hook. var. nuttallii (Lehm.) Sheldon
Potentilla gracilis Dougl. ex Hook. var. permollis (Rydb.) C.L. Hitchc.
Potentilla gracilis Dougl. ex Hook. var. rigida S. Wats.
Potentilla indiges M.E. Peck
Potentilla jucunda A. Nels.
Potentilla nuttallii Lehm.
Potentilla permollis Rydb.
Potentilla rectiformis Rydb.
Potentilla viridescens Rydb.

Potentilla gracilis Dougl. ex Hook. var. flabelliformis (Lehm.) Nutt. ex Torr. & Gray      comb five-fingers, northwest cinquefoil, slender cinquefoil - *WI*
Potentilla flabelliformis Lehm.

Potentilla gracilis Dougl. ex Hook. var. gracilis      graceful cinquefoil
Potentilla longipedunculata Rydb.
Potentilla macropetala Rydb.

Potentilla hippiana Lehm.      woolly cinquefoil

Potentilla hippiana Lehm. var. hippiana      woolly cinquefoil
Potentilla hippiana Lehm. var. diffusa Gray ex Lehm.
Potentilla leneophylla Torr. & James ex Eat.
Potentilla leucophylla Torr., non Pallas
Potentilla propinqua (Rydb.) Rydb.

Potentilla inclinata Vill.      ashy cinquefoil - *WI*
Potentilla canescens Bess.
Potentilla intermedia L. var. canescens (Bess.) Rupr.

Potentilla intermedia . Downy cinquefoil - Rosaceae *MN* non-native, *WI*
    Potentilla intermedia L.      downy cinquefoil

Potentilla norvegica .  Norwegian cinquefoil, rough cinquefoil, strawberry-weed - Rosaceae *MN* native to Minnesota, *WI*
    Potentilla norvegica L.      Norwegian cinquefoil
Potentilla hirsuta Michx. (WI)
Potentilla labradorica Lehm. (WI)
Potentilla monspeliensis L. (WI)
Potentilla norvegica L. subsp. hirsuta (Michx.) Hyl. (WI)
Potentilla norvegica L. var. hirsuta (Michx.) Torr. & A.Gray (WI)
Potentilla norvegica L. subsp. monspeliensis (L.) Asch. & Graebn. (WI)
Potentilla norvegica L. var. labradorica (Lehm.) Fernald (WI)

Potentilla norvegica L. ssp. monspeliensis (L.) Aschers. & Graebn.      Norwegian cinquefoil
Potentilla monspeliensis L.
Potentilla norvegica L. ssp. hirsuta (Michx.) Hyl.
Potentilla norvegica L. var. hirsuta (Michx.) Lehm.
Potentilla norvegica L. var. labradorica (Lehm.) Fern.

Potentilla palustris . Marsh cinquefoil - Rosaceae *MN* native to Minnesota

Potentilla paradoxa . Bushy cinquefoil - Rosaceae *MN* native to Minnesota
    Potentilla paradoxa Nutt.      Paradox cinquefoil
Potentilla nicolletii (S. Wats.) Sheldon
Potentilla supina L. ssp. paradoxa (Nutt.) Soják

Potentilla pensylvanica . Pennsylvania cinquefoil - Rosaceae *MN* native to Minnesota
    Potentilla pensylvanica L.      Pennsylvania cinquefoil

Potentilla pensylvanica var. arida . Pennsylvania cinquefoil - Rosaceae *MN* native to Minnesota

Potentilla pensylvanica var. bipinnatifida . Pennsylvania cinquefoil - Rosaceae *MN* native to Minnesota

Potentilla pensylvanica L. var. pensylvanica      Pennsylvania cinquefoil
Potentilla atrovirens Rydb.
Potentilla bipinnatifida Dougl. ex Hook. var. glabrata (Lehm. ex Hook.) Kohli & Packer
Potentilla glabella Rydb.
Potentilla pensylvanica L. var. atrovirens (Rydb.) T. Wolf
Potentilla pensylvanica L. var. glabrata (Lehm. ex Hook.) S. Wats.
Potentilla pensylvanica L. var. ovium Jepson
Potentilla pensylvanica L. var. strigosa Pallas ex Pursh
Potentilla platyloba Rydb.
Potentilla pseudosericea auct. non Rydb.
Potentilla strigosa (Pallas ex Pursh) Pallas ex Tratt.

Potentilla pulcherrima Lehm.      beautiful cinquefoil
Potentilla camporum Rydb.
Potentilla gracilis Dougl. ex Hook. var. pulcherrima (Lehm.) Fern.

Potentilla recta . Rough-fruited cinquefoil, sulphur cinquefoil, sulphur five-fingers - Rosaceae *MN* non-native, *WI*
    Potentilla recta L.      sulphur cinquefoil
Potentilla pilosa Willd. (WI)
otentilla recta L. var. obscura (Nestler) W.D.J. Koch
Potentilla recta L. var. pilosa (Willd.) Ledeb.
Potentilla recta L. var. sulphurea (Lam. & DC.) Peyr.
Potentilla sulphurea Lam. (WI)

Potentilla reptans L.      creeping cinquefoil - *WI*

Potentilla rivalis . Brook cinquefoil, brook five-fingers - Rosaceae *MN* native to Minnesota
    Potentilla rivalis Nutt.      brook cinquefoil

Potentilla rivalis Nutt. var. millegrana (Engelm. ex Lehm.) S. Wats.      brook cinquefoil, brook five-fingers - WI [Excluded in Wisconsin]
Potentilla leucocarpa Rydb.
Potentilla millegrana Engelm. ex Lehm.

Potentilla rivalis Nutt. var. pentandra (Engelm.) S. Wats.      brook cinquefoil
Potentilla pentandra Engelm.

Potentilla rivalis Nutt. var. rivalis      brook cinquefoil

Potentilla simplex . common cinquefoil, old-field five-fingers, old-field cinquefoil, oldfield cinquefoil - Rosaceae *MN* native to Minnesota, *WI*
    Potentilla simplex Michx.      common cinquefoil
Potentilla simplex Michx. var. argyrisma Fern.
Potentilla simplex Michx. var. calvescens Fern.
Potentilla simplex Michx. var. typica Fern.

Potentilla tridentata . Three-toothed cinquefoil - Rosaceae *MN* native to Minnesota


Compositae 3 :  347
Family Asteraceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Prenanthes L.      rattlesnakeroot
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Prenanthes alba . lion's-foot, rattlesnake-root, white-lettuce, white rattlesnakeroot - Asteraceae *MN* native to Minnesota, *WI*
    Prenanthes alba L.      white rattlesnakeroot
Nabalus albus (L.) Hook.

Prenanthes altissima L.      tall rattlesnakeroot
Nabalus altissimus (L.) Hook.
Prenanthes altissima L. var. cinnamomea Fern.

Prenanthes aspera . Hairy rattlesnakeroot,  rough rattlesnake-root, rough white-lettuce - Asteraceae *MN* native to Minnesota, *WI*
    Prenanthes aspera Michx.      rough rattlesnakeroot
Nabalus asperus (Michx.) Torr. & Gray

Prenanthes crepidinea . great white-lettuce, Midwestern white-lettuce, nodding rattlesnake-root, nodding rattlesnakeroot - Asteraceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Prenanthes crepidinea Michx.      nodding rattlesnakeroot
Nabalus crepidineus (Michx.) DC.

Prenanthes racemosa . glaucous white-lettuce, purple rattlesnake-root, smooth rattlesnakeroot - Asteraceae *MN* native to Minnesota, *WI*
    Prenanthes racemosa Michx.      purple rattlesnakeroot
Nabalus racemosus (Michx.) DC. (WI)
Prenanthes racemosa Michx. subsp. multiflora Cronquist (WI)
Prenanthes racemosa Michx. var. multiflora (Cronquist) Dorn (WI)
Prenanthes racemosa Michx. var. racemosa (WI)

Prenanthes racemosa var. multiflora . Smooth rattlesnakeroot - Asteraceae *MN* native to Minnesota
    Prenanthes racemosa Michx. ssp. multiflora Cronq.      purple rattlesnakeroot
Prenanthes racemosa Michx. var. multiflora (Cronq.) Dorn

Prenanthes racemosa var. racemosa . Smooth rattlesnakeroot - Asteraceae *MN* native to Minnesota
    Prenanthes racemosa Michx. ssp. racemosa      purple rattlesnakeroot
Nabalus racemosus (Michx.) DC.

Prenanthes trifoliolata (Cass.) Fern.      gall of the earth
Nabalus trifoliolatus Cass.


Family Primulaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 707

Primula L.      primrose
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Primula mistassinica . bird's-eye primrose, Lake Mistassini primrose, Mistassini primrose - Primulaceae *MN* native to Minnesota, *WI*
    Primula mistassinica Michx.      Mistassini primrose
Primula intercedens Fern.
Primula mistassinica Michx. var. intercedens (Fern.) Boivin
Primula mistassinica Michx. var. mistassinica (WI)
Primula mistassinica Michx. var. noveboracensis Fern.

Primula veris L.      cowslip primrose

Proboscidea Schmidel      unicorn-plant

Proboscidea louisianica (P. Mill.) Thellung      ram's horn
Martynia louisiana Miller
Martynia proboscidea Gloxin
Proboscidea jussieui of authors
Proboscidea louisiana (Miller) Wooten & Standley

Proboscidea louisianica (P. Mill.) Thellung ssp. louisianica      ram's horn
Martynia louisianica P. Mill.


Family Haloragaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 612

Proserpinaca L.      mermaidweed
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Proserpinaca intermedia Mackenzie      intermediate mermaidweed

Proserpinaca palustris L.      marsh mermaid-weed, marsh mermaidweed - *WI*

Proserpinaca palustris L. var. amblyogona Fern.      common mermaid-weed, marsh mermaid-weed, marsh mermaidweed - *WI*
Proserpinaca amblyogona (Fern.) Small

Proserpinaca palustris L. var. crebra Fern. & Grisc.      marsh mermaidweed

Proserpinaca palustris L. var. palustris      marsh mermaid-weed, marsh mermaidweed - WI [Excluded in Wisconsin]
Proserpinaca palustris L. var. latifolia Schindl.
Proserpinaca platycarpa Small

Proserpinaca pectinata Lam.      combleaf mermaidweed


Labiatae 3 :  99
Family Lamiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Prunella L.      selfheal
3:115  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Prunella vulgaris . Heal-all, lawn prunella, self-heal - Lamiaceae *MN* non-native, *WI*
    Prunella vulgaris L.      common selfheal

Prunella vulgaris var. lanceolata . Heal-all,  lance self-heal - Lamiaceae *MN* non-native, *WI*
    Prunella vulgaris L. ssp. lanceolata (W. Bart.) Hultén      lance selfheal
Prunella pennsylvanica Willd. var. lanceolata W.P.C.Barton (WI)
Prunella vulgaris L. var. elongata Benth.
Prunella vulgaris L. var. lanceolata (W.P.C.Barton) Fernald (WI)
Prunella vulgaris L. var. lanceolata (W.P.C.Barton) Fernald f. iodocalyx Fernald (WI)

Prunella vulgaris var. vulgaris . Heal-all, lawn prunella, self-heal - Lamiaceae *MN* non-native, *WI*
    Prunella vulgaris L. ssp. vulgaris      common selfheal
Prunella vulgaris L. var. atropurpurea Fern.
Prunella vulgaris L. var. calvescens Fern.
Prunella vulgaris L. var. hispida Benth.
Prunella vulgaris L. var. minor Sm.
Prunella vulgaris L. var. nana Clute
Prunella vulgaris L. var. parviflora (Poir.) DC.
Prunella vulgaris L. var. rouleauiana Victorin
Prunella vulgaris L. var. vulgaris (WI)


Family Rosaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 242

Prunus L.      plum
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Prunus alleghaniensis Porter      Allegheny plum

Prunus alleghaniensis Porter var. davisii (W. Wight) Sarg.      Davis' plum

Prunus americana . American plum, Wild plum - Rosaceae *MN* native to Minnesota, *WI*
    Prunus americana Marsh.      American plum
Prunus americana Marshall f. americana (WI)
Prunus americana Marshall var. americana (WI)
Prunus americana Marshall var. lanata Sudw. (WI)
Prunus mexicana S.Watson, sensu Gleason & Cronquist (1991) (WI)

Prunus avium (L.) L.      sweet cherry - WI [Excluded in Wisconsin]
Cerasus avium (L.) Moench

Prunus cerasifera Ehrh.      cherry plum

Prunus cerasus L.      sour cherry

Prunus domestica . European plum - Rosaceae *MN* non-native
    Prunus domestica L.      European plum

Prunus domestica L. var. domestica      European plum

Prunus glandulosa Thunb.      flowering almond

Prunus mahaleb L.      Mahaleb cherry, perfumed cherry - WI [Excluded in Wisconsin]
Cerasus mahaleb (L.) Miller

Prunus maritima Marsh.      beach plum

Prunus maritima Marsh. var. maritima      beach plum

Prunus mexicana S. Wats.      Mexican plum
Prunus americana Marsh. var. lanata Sudsworth
Prunus lanata (Sudsworth) Mackenzie & Bush
Prunus mexicana S. Wats. var. flutonensis (Sarg.) Sarg.
Prunus mexicana S. Wats. var. polyandra (Sarg.) Sarg.
Prunus pensylvanica L. f. var. mollis (Dougl.) Boivin

Prunus nigra . Canada plum,  Canadian plum - Rosaceae *MN* native to Minnesota, *WI*
Prunus nigra Ait.      Canadian plum
Prunus americana Marsh. var. nigra (Ait.) Waugh

Prunus pensylvanica . fire cherry, pin cherry - Rosaceae *MN* native to Minnesota, *WI*
    Prunus pensylvanica L. f.      pin cherry

Prunus pensylvanica L. f. var. pensylvanica      pin cherry
Cerasus pensylvanica (L. f.) Loisel.

Prunus persica (L.) Batsch      peach - *WI*
Amygdalus persica L.
Persica vulgaris P. Mill.

Prunus pumila . Sand cherry - Rosaceae *MN* native to Minnesota, *WI*
    Prunus pumila L.      sandcherry

Prunus pumila var. besseyi .  Bessey's cherry, sand cherry, western sand cherry - Rosaceae *MN* native to Minnesota, *WI*
    Prunus pumila L. var. besseyi (Bailey) Gleason      western sandcherry
Cerasus pumila (L.) Michx. ssp. besseyi (Bailey) W.A. Weber
Prunus besseyi Bailey
Prunus pumila L. ssp. besseyi (Bailey) Nizhnikev

Prunus pumila var. cuneata . Sand cherry - Rosaceae *MN* native to Minnesota

Prunus pumila L. var. depressa (Pursh) Bean . Great Lakes sand cherry, sand cherry  - WI [Excluded in Wisconsin]

Prunus pumila var. pumila .  Great Lakes sand cherry, sand cherry - Rosaceae *MN* native to Minnesota, *WI*
    Prunus pumila L. var. pumila      Great Lakes sandcherry
Cerasus pumila (L.) Michx.
Prunus pumila L. var. typica Groh & Senn (WI)

Prunus pumila L. var. susquehanae (hort. ex Willd.) Jaeger      Sesquehana sandcherry, sand cherry - *WI*
Prunus cuneata Raf.
Prunus pumila L. var. cuneata (Raf.) Bailey
Prunus susquehanae hort. ex Willd.

Prunus serotina . Black cherry,  wild black cherry - Rosaceae *MN* native to Minnesota, *WI*
    Prunus serotina Ehrh.      black cherry
Prunus serotina Ehrh. var. serotina (WI)

Prunus serotina Ehrh. var. serotina      black cherry

Prunus spinosa L.      blackthorn

Prunus tomentosa Thunb.      Nanking cherry - *WI*
Cerasus tomentosa (Thunb.) Wall.

Prunus triloba . Flowering plum - Rosaceae *MN* non-native
    Prunus triloba Lindl.      flowering plum
Louiseania triloba (Lindl.) Pachom.

Prunus virginiana . Chokecherry - Rosaceae *MN* native to Minnesota, *WI*
    Prunus virginiana L.      chokecherry

Prunus virginiana L. var. virginiana      chokecherry - *WI*
Padus nana (Du Roi) M. Roemer
Padus virginiana (L.) P. Mill.
Prunus virginiana L. f. deamii G.N.Jones (WI)
Prunus virginiana L. f. virginiana (WI)


Psathyrostachys Nevski      wildrye

Psathyrostachys juncea (Fisch.) Nevski      Russian wildrye
Elymus junceus Fisch.
×Leymostachys korovinii Tzvelev


Pseudognaphalium Kirp.      cudweed

Pseudognaphalium helleri (Britt.) A. Anderb.      Heller's cudweed

Pseudognaphalium helleri (Britt.) A. Anderb. ssp. helleri      Heller's cudweed
Gnaphalium helleri Britt.
Gnaphalium obtusifolium L. var. helleri (Britt.) Blake

Pseudognaphalium helleri (Britt.) A. Anderb. ssp. micradenium (Weatherby) Kartesz, comb. nov. ined.      Heller's cudweed
Gnaphalium helleri Britt. var. micradenium (Weatherby) Mahler
Gnaphalium obtusifolium L. var. micradenium Weatherby

Pseudognaphalium macounii (Greene) Kartesz, comb. nov. ined.      Macoun's cudweed
Gnaphalium decurrens Ives, non L.
Gnaphalium macounii Greene
Pseudognaphalium viscosum auct. non (Kunth) W.A. Weber

Pseudognaphalium obtusifolium (L.) Hilliard & Burtt      rabbittobacco

Pseudognaphalium obtusifolium (L.) Hilliard & Burtt ssp. obtusifolium      rabbittobacco
Gnaphalium obtusifolium L.

Pseudognaphalium obtusifolium (L.) Hilliard & Burtt ssp. saxicola (Fassett) Kartesz, comb. nov. ined.      rabbittobacco
Gnaphalium obtusifolium L. var. saxicola (Fassett) Cronq.
Gnaphalium saxicola Fassett


Pseudoroegneria (Nevski) A. Löve      wheatgrass

Pseudoroegneria spicata (Pursh) A. Löve      bluebunch wheatgrass

Pseudoroegneria spicata (Pursh) A. Löve ssp. spicata      bluebunch wheatgrass
Agropyron spicatum (Pursh) Scribn. & J.G. Sm.
Agropyron spicatum (Pursh) Scribn. & J.G. Sm. var. pubescens Elmer
Agropyron vaseyi Scribn. & J.G. Sm.
Elymus spicatus (Pursh) Gould
Elytrigia spicata (Pursh) D.R. Dewey
Roegneria spicata (Pursh) Beetle


Pseudotsuga Carr.      Douglas-fir

Pseudotsuga menziesii . Douglas fir - Pinaceae *MN* non-native
    Pseudotsuga menziesii (Mirbel) Franco      Douglas-fir
Pseudotsuga mucronata (Raf.) Sudw.

Pseudotsuga menziesii (Mirbel) Franco var. glauca (Beissn.) Franco      Rocky Mountain Douglas-fir
Pseudotsuga flahaultii Flous
Pseudotsuga menziesii (Mirbel) Franco var. flahaultii (Flous) Silba
Pseudotsuga taxifolia (Lamb.) Britt. var. glauca (Beissn.) Sudworth


Family Fabaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 341

Psoralidium Rydb.      scurfpea
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Psoralidium tenuiflorum . gray scurf-pea, slender-leaved scurfpea, slimflower scurfpea - Fabaceae *MN* native to Minnesota :  Minnesota Endangered list, WI [Excluded in Wisconsin]
    Psoralidium tenuiflorum (Pursh) Rydb.      slimflower scurfpea
Psoralidium batesii Rydb.
Psoralea floribunda Nutt. ex Torr. & Gray
Psoralea obtusifolia Torr. & Gray
Psoralea tenuiflora Pursh
Psoralea tenuiflora Pursh var. bigelovii (Rydb.) J.F. Macbr.
Psoralea tenuiflora Pursh var. floribunda (Nutt. ex Torr. & Gray) Rydb.


Family Rutaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 443

Ptelea L.      hoptree
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Ptelea trifoliata . common hop-tree, hop tree, stinking-ash, wafer-ash - Rutaceae *MN* non-native, *WI*
    Ptelea trifoliata L.      common hoptree

Ptelea trifoliata L. ssp. trifoliata      common hoptree, common hop-tree, stinking-ash, wafer-ash - *WI*

Ptelea trifoliata L. ssp. trifoliata var. mollis Torr. & Gray      common hoptree
Ptelea tomentosa Raf.

Ptelea trifoliata L. ssp. trifoliata var. trifoliata      common hoptree, common hop-tree, stinking-ash, wafer-ash - *WI*
Ptelea baldwinii Torr. & Gray
Ptelea microcarpa Small
Ptelea serrata Small
Ptelea trifoliata L. var. deamiana Nieuwl.


Family Dryopteridaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pteridium Gleditsch ex Scop.      brackenfern
1:31  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pteridium aquilinum (L.) Kuhn      bracken, bracken fern, western brackenfern - *WI*

Pteridium aquilinum var. latiusculum . Bracken, bracken fern, eastern bracken fern - Dennstaedtiaceae *MN* native to Minnesota, Minn. Stat. §1505.0740, "Secondary noxious weed", *WI*
    Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underwood ex Heller      western brackenfern
Pteridium latiusculum (Desv.) Hieron.


Family Pteridaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pteris
[1:34]  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pteris latiuscula Desv. *WI
    =Pteridium aquilinum var. latiusculum


Family Monotropaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 673

Pterospora Nutt.      pinedrops
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pterospora andromedea Nutt.      giant pinedrops, woodland pinedrops - *WI*


Graminaceae 1 : 107
Family Poaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Puccinellia Parl.      alkaligrass
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)


Puccinellia distans . European alkali grass, weeping alkali grass - Poaceae *MN* non-native, *WI*
    Puccinellia distans (Jacq.) Parl.      weeping alkaligrass

Puccinellia distans (Jacq.) Parl. ssp. distans      weeping alkaligrass
Poa distans Jacq.
Puccinellia distans (Jacq.) Parl. var. tenuis (Uechtr.) Fern. & Weatherby
Puccinellia retroflexa (W. Curtis) Holmb.
Puccinellia suksdorfii St. John

Puccinellia distans (Jacq.) Parl. subsp. borealis (Holmb.) W.E.Hughes . European alkali grass, weeping alkali grass - *WI* +
 Phippsia nutkaensis (C.Presl) A.Löve & D.Löve subsp. borealis (Holmb.) A.Löve & D.Löve (WI)
Phippsia sibirica (Holmb.) A.Löve & D.Löve (WI)
Puccinellia coarctata Fernald & Weath. (WI)
Puccinellia coarctata Fernald & Weath. var. pseudofasciculata T.J.Sorensen (WI)
Puccinellia distans (Jacq.) Parl. var. angustifolia (Blytt) Holmb. (WI)
Puccinellia sibirica Holmb. (WI)

Puccinellia distans (Jacq.) Parl. subsp. distans . European alkali grass, weeping alkali grass - *WI* * +
 Poa distans Jacq. (WI)
Puccinellia distans (Jacq.) Parl. var. tenuis (Uechtr.) Fernald & Weath. (WI)
Puccinellia retroflexa (Curtis) Holmb. (WI)
Puccinellia suksdorfii H.St.John (WI)

Puccinellia fernaldii (Hitchc.) E.G.Voss . Fernald's false manna grass - *WI* * +
Glyceria fernaldii (Hitchc.) H.St.John (WI)
Glyceria pallida (Torr.) Trin. var. fernaldii Hitchc. (WI)
Torreyochloa fernaldii (Hitchc.) Church (WI)
Torreyochloa pallida (Torr.) Church var. fernaldii (Hitchc.) Dore ex T.Koyama & Kawano (WI)

Puccinellia nuttalliana . Nuttall's alkali grass - Poaceae *MN* native to Minnesota, *WI*
    Puccinellia nuttalliana (J.A. Schultes) A.S. Hitchc.      Nuttall's alkaligrass
Puccinellia airoides (Nutt.) S. Wats. & Coult.
Puccinellia cusickii Weatherby

Puccinellia pallida . pale false manna grass, Torrey's mannagrass - Poaceae *MN* native to Minnesota :  Minnesota Special Concern list. *WI*
Glyceria pallida (Torr.) Trin. (WI)
Panicularia pallida (Torr.) Kuntze (WI)
Torreyochloa pallida (Torr.) Church (WI)
Torreyochloa pallida (Torr.) Church var. pallida (WI)
Windsoria pallida Torr. (WI)


Family Boraginaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  3 : 72

Pulmonaria L.      lungwort
Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pulmonaria officinalis L.      common lungwort - WI [Excluded in Wisconsin]

Pulmonaria saccharata Mill. . Bethlehem lungwort - *WI* * +


Pulsatilla P. Mill.      pasqueflower

Pulsatilla patens (L.) P. Mill.      American pasqueflower

Pulsatilla patens (L.) P. Mill. ssp. multifida (Pritz.) Zamels      cutleaf anemone
Anemone ludoviciana Nutt.
Anemone multifida (Pritz.) Zamels, non Poir.
Anemone nuttalliana DC.
Anemone patens L. var. multifida Pritz.
Anemone patens L. var. nuttalliana (DC.) Gray
Anemone patens L. var. wolfgangiana (Bess. ex Richards) Trauvtr. & Mey ex F. Kurtz
Pulsatilla hirsutissima (Pursh) Britt.
Pulsatilla ludoviciana Heller
Pulsatilla nuttalliana (DC.) Spreng.
Pulsatilla patens (L.) P. Mill. ssp. hirsutissima (Pursh) Zamels


Labiatae 3 :  99
Family Lamiaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)

Pycnanthemum Michx.      mountainmint
[3:141]  (Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pycnanthemum flexuosum . Narrow-leaved mountain mint - Lamiaceae *MN* non-native

Pycnanthemum incanum (L.) Michx.      hoary mountainmint

Pycnanthemum incanum (L.) Michx. var. incanum      hoary mountainmint
Koellia dubia (Gray) Small
Koellia incana (L.) Kuntze

Pycnanthemum muticum (Michx.) Pers.      clustered mountainmint
Koellia mutica (Michx.) Kuntze

Pycnanthemum tenuifolium Schrad.      narrow - *WI*
Koellia flexuosa auct. non (Walt.) MacM.
Pycnanthemum flexuosum auct. non (Walt.) B.S.P.

Pycnanthemum verticillatum (Michx.) Pers.      whorled mountainmint

Pycnanthemum verticillatum (Michx.) Pers. var. pilosum (Nutt.) Cooperrider      whorled mountainmint
Koellia pilosa (Nutt.) Britt.
Pycnanthemum pilosum Nutt.

Pycnanthemum verticillatum (Michx.) Pers. var. verticillatum      whorled mountainmint
Koellia leptodon (Gray) Small
Koellia verticillata (Michx.) Kuntze
Pycnanthemum leptodon Gray
Pycnanthemum torrei Benth. var. leptodon (Gray) Boomhour
Pycnanthemum virginianum (L.) T. Dur. & B.D. Jackson ex B.L. Robins. & Fern. var. verticillatum (Michx.) Boivin

Pycnanthemum virginianum . common mountain mint, Virginia mountain mint - Lamiaceae *MN* native to Minnesota, *WI*
     Pycnanthemum virginianum (L.) T. Dur. & B.D. Jackson ex B.L. Robins. & Fern.      Virginia mountainmint
Koellia virginiana (L.) MacM.


Family Pyrolaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 667

Pyrola L.      wintergreen
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pyrola americana Sweet      American wintergreen
Pyrola asarifolia Michx. ssp. americana (Sweet) Krísa
Pyrola obovata Bertol.
Pyrola rotundifolia auct. p.p. non L.
Pyrola rotundifolia L. var. americana (Sweet) Fern.
Pyrola rotundifolia L. ssp. americana (Sweet) Clausen

Pyrola asarifolia . liver-leaf wintergreen, pink shinleaf - Pyrolaceae *MN* native to Minnesota, *WI*
    Pyrola asarifolia Michx.      liverleaf wintergreen

Pyrola asarifolia Michx. ssp. asarifolia      liverleaf wintergreen, liver-leaf wintergreen, pink shin-leaf - *WI*
Pyrola asarifolia Michx. var. asarifolia (WI)
Pyrola asarifolia Michx. var. incarnata (DC.) Fern.
Pyrola asarifolia Michx. var. ovata Farw.
Pyrola asarifolia Michx. var. purpurea (Bunge) Fern.
Pyrola californica Krísa
Pyrola elata Nutt.
Pyrola rotundifolia L. ssp. asarifolia (Michx.) A.& D. Löve
Pyrola rotundifolia L. var. incarnata DC. (WI)
Pyrola rotundifolia L. var. purpurea Bunge (WI)
Pyrola uliginosa Torr. & Gray ex Torr.
Pyrola uliginosa Torr. & Gray ex Torr. var. gracilis Jennings

Pyrola chlorantha . Green-flowere, *WI*
    Pyrola chlorantha Sw.      greenflowered wintergreen
Pyrola chlorantha Sw. var. convoluta (W. Bart.) Fern.
Pyrola chlorantha Sw. var. paucifolia Fern.
Pyrola chlorantha Sw. var. revoluta Jennings
Pyrola chlorantha Sw. var. saximontana Fernald (WI)
Pyrola convoluta W. Bart.
Pyrola oxypetala Austin ex Gray
Pyrola virens Schreb.
Pyrola virens Schweigg. f. paucifolia (Fernald) Fernald (WI)
Pyrola virens Schreb. var. convoluta (W. Bart.) Fern.
Pyrola virens Schreb. var. saximontana Fern.
Pyrola virens Schweigg. var. virens (WI)

Pyrola elliptica . Elliptic shinleaf,  elliptic shin-leaf, large-leaved shin-leaf, wax-flower shin-leaf - Pyrolaceae *MN* native to Minnesota, *WI*
    Pyrola elliptica Nutt.      waxflower shinleaf
Pyrola compacta Jennings

Pyrola minor . lesser wintergreen, little shin-leaf, small shin-leaf, small shinleaf - Pyrolaceae *MN* native to Minnesota :  Minnesota Special Concern list, *WI*
    Pyrola minor L.      snowline wintergreen
Braxilia minor (L.) House
Erxlebenia minor (L.) Rydb.
Pyrola minor L. var. parviflora Boivin

Pyrola rotundifolia L. . round-leaved shin-leaf  - *WI*

Pyrola rotundifolia var. americana . Round-leaved pyrola,  round-leaved shin-leaf - Pyrolaceae *MN* native to Minnesota, *WI*
Pyrola americana Sweet (WI)
Pyrola asarifolia Michx. subsp. americana (Sweet) Krisa (WI)
Pyrola obovata Bertol. (WI)
Pyrola rotundifolia L. var. americana (Sweet) Fernald (WI)

Pyrola secunda . One-sided pyrola - Pyrolaceae *MN* native to Minnesota


Family Rosaceae    (Family Information, Photo Gallery and Map Gallery - Wisconsin)  2 : 242

Pyrus L.      pear
(Genus Information, Photo Gallery and Map Gallery - Wisconsin)

Pyrus baccata . Siberian crabapple - Rosaceae *MN* non-native

Pyrus communis L.      common pear - *WI*

Pyrus malus . Apple - Rosaceae *MN* non-native

Pyrus prunifolia . Pear-leaved crabapple - Rosaceae *MN* non-native


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Bibliography