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1.
ORCHIDACEAE
[Tourn.] L. sp. Pl. 1062.
1753
Description
Locale
Taxonomy key
1. N. species
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Family Orchidaceae
(Family
Information, Photo Gallery and Map Gallery) 1 : 547
Amerorchis
rotundifolia (Banks ex Pursh) Hultén * +
round-leaved orchid,
round-leaved orchis
Orchis rotundifolia Banks ex Pursh
Orchis rotundifolia Banks ex Pursh
f. lineata (Mousley) E.G.Voss
Orchis rotundifolia Banks ex Pursh
var. lineata Mousley
Ponerorchis rotundifolia (Banks ex
Pursh) Soó
Aplectrum
hyemale (Muhl. ex Willd.) Torr. * +
Adam-and-Eve,
putty-root
Aplectrum spicatum Britton, Sterns
& Poggenb.
Cymbidium hyemale Muhl. ex Willd.
Arethusa
bulbosa L. * +
dragon's-mouth,
swamp-pink
Calypso
bulbosa (L.) Oakes
calypso orchid,
fairy-slipper orchid
Calypso
bulbosa (L.) Oakes var. americana (R.Br.) Luer * +
calypso orchid,
fairy-slipper orchid
Cytherea bulbosa (L.) House, pro
parte
Calopogon
oklahomensis D.H.Goldman +
Oklahoma grass pink
Calopogon
tuberosus (L.) Britton, Sterns & Poggenb.
grass pink, tuberous
grass pink
Calopogon
tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus
* +
grass pink, tuberous
grass pink
Calopogon pulchellus (Salisb.) R.Br.
Calopogon pulchellus (Salisb.) R.Br.
var. latifolius (H.St.John) Fernald
Calopogon tuberosus (L.) Britton,
Sterns & Poggenb. var. latifolius (H.St.John) B.Boivin
Cathea pulchella Salisb.
Cathea tuberosa (L.) Morong
Cymbidium pulchellum (Salisb.) Sw.
Helleborine tuberosa (L.)
Kuntze 
Limodorum barbatum Lam.
Limodorum pulchellum Salisb.
Limodorum tuberosum L.
Limodorum tuberosum L. var. nanum
Nieuwl.
Coeloglossum
viride (L.) Hartm .
long-bracted green
orchid, frog orchid
Coeloglossum
viride (L.) Hartm. var. virescens (Muhl.) Luer * +
long-bracted green
orchid, frog orchid
Coeloglossum bracteatum (Muhl.)
Parl.
Coeloglossum viride (L.) Hartm.
subsp. bracteatum (Muhl.) Hultén
Habenaria bracteata (Muhl.) R.Br.
Habenaria viridis (L.) R.Br. var.
bracteata (Muhl.) A.Gray
Orchis bracteata Muhl.
Orchis virescens Muhl.
Corallorhiza
maculata (Raf.) Raf. * +
spotted coralroot,
summer coralroot
Corallorhiza
maculata (Raf.) Raf. var. maculata
spotted coralroot,
summer coralroot
Cladorhiza maculata Raf.
Corallorhiza maculata (Raf.) Raf. f.
maculata
Corallorhiza multiflora Nutt.
Corallorhiza multiflora Nutt. var.
sulphurea Suksd.
Corallorhiza
maculata (Raf.) Raf. var. occidentalis (Lindl.) Ames
spotted coralroot,
summer coralroot
Corallorhiza leimbachiana Suksd.
Corallorhiza maculata (Raf.) Raf. f.
flavida (M.Peck) Farw.
Corallorhiza maculata (Raf.) Raf. f.
intermedia (Farw.) Farw.
Corallorhiza maculata (Raf.) Raf. f.
punicea (Bartlett) Weath. & J.Adams
Corallorhiza maculata (Raf.) Raf.
var. flavida (M.Peck) Cockerell
Corallorhiza maculata (Raf.) Raf.
var. immaculata M.Peck
Corallorhiza maculata (Raf.) Raf.
var. intermedia Farw.
Corallorhiza maculata (Raf.) Raf.
var. punicea Bartlett
Corallorhiza
odontorhiza (Willd.) Poir.
autumn coralroot,
fall coralroot, late coralroot, small-flowered coralroot
Corallorhiza micrantha Chapm.
Cymbidium odontorhizon Willd.
Corallorhiza
odontorhiza (Willd.) Poir. var. odontorhiza * +
autumn coralroot,
fall coralroot, late coralroot, small-flowered coralroot
Corallorhiza
striata Lindl.
hooded coralroot,
striped coralroot
Corallorhiza
striata Lindl. var. striata * +
hooded coralroot,
striped coralroot
Corallorhiza macraei A.Gray
Corallorhiza
trifida Châtel. * +
early coralroot,
northern coralroot, yellow coralroot
Corallorhiza corallorhiza (L.)
H.Karst.
Corallorhiza innata R.Br.
Corallorhiza innata R.Br. var.
virescens Farr
Corallorhiza trifida Châtel.
var. trifida
Corallorhiza trifida Châtel.
var. verna (Nutt.) Fernald
Corallorhiza trifida Châtel.
var. virescens (Farr) Fernald
Corallorhiza verna Nutt.
Corallorhiza wyomingensis Hellm.
& K.Hellm.
Cypripedium
acaule Aiton * +
moccasin-flower,
pink lady's-slipper, pink moccasin-flower, small pink lady's-slipper
Cypripedium acaule Aiton f.
albiflorum E.L.Rand & Redfield
Fissipes acaulis (Aiton) Small
Cypripedium
arietinum R.Br. * +
ram's-head,
ram's-head lady's-slipper
Criosanthes arietina (R.Br.) House
Cypripedium
candidum Muhl. ex Willd. * +
small white
lady's-slipper, white lady's-slipper
Cypripedium
parviflorum Salisb. +
yellow
lady's-slipper
Cypripedium luteum Raf.
Cypripedium
parviflorum Salisb. var. makasin (Farw.) Sheviak * +
small yellow
lady's-slipper
Cypripedium calceolus L. var.
parviflorum auct. mult.
Cypripedium pubescens Willd. var.
makasin Farw.
Cypripedium
parviflorum Salisb. var. pubescens (Willd.) O.W.Knight * +
large yellow
lady's-slipper
Cypripedium calceolus L. var.
planipetalum (Fernald) Vict. & J.Rousseau
Cypripedium calceolus L. var.
pubescens (Willd.) Correll
Cypripedium flavescens DC.
Cypripedium parviflorum Salisb. var.
planipetalum Fernald
Cypripedium planipetalum (Fernald)
F.Morris & E.A.Eames
Cypripedium pubescens Willd.
Cypripedium veganum Cockerell,
P.Barker & M.Barker
Cypripedium
reginae Walter * +
queen
lady's-slipper, showy lady's-slipper
Cypripedium hirsutum Mill.
Cypripedium reginae Walter f.
albolabium Fernald & B.G.Schub.
Cypripedium reginae Walter f.
reginae
Cypripedium spectabile Salisb.
Cypripedium
X andrewsii A.M.Fuller +
Andrews'
lady's-slipper
Cypripedium X andrewsii A.M.Fuller
var. landonii (Garay) B.Boivin (pro nm.)
Cypripedium
X favillianum J.T.Curtis +
lady's-slipper
Cypripedium X andrewsii A.M.Fuller
var. favillianum (J.T.Curtis) B.Boivin (pro nm.)
Epipactis
helleborine (L.) Crantz * +
broad-leaved
helleborine, helleborine, helleborine orchid
Amesia latifolia (L.) A.Nelson &
J.F.Macbr.
Epipactis latifolia (L.) All.
Serapias helleborine L.
Galearis
spectabilis (L.) Raf. * +
showy orchis
Galeorchis spectabilis (L.) Rydb.
Orchis spectabilis L.
Goodyera
oblongifolia Raf. * +
giant
rattlesnake-plantain, Menzies's giant rattlesnake-plantain, western
rattlesnake-plantain
Epipactis decipiens (Hook.) Ames
Goodyera decipiens (Hook.) F.T.Hubb.
Goodyera oblongifolia Raf. var.
reticulata B.Boivin
Peramium decipiens (Hook.) Piper
Goodyera
pubescens (Willd.) R.Br. * +
downy
rattlesnake-plantain
Epipactis pubescens (Willd.)
A.A.Eaton
Neottia pubescens Willd.
Peramium pubescens (Willd.) MacMill.
Goodyera
repens (L.) R.Br. * +
creeping
rattlesnake-plantain, lesser rattlesnake-plantain
Epipactis repens (L.) Crantz var.
ophioides (Fernald) A.A.Eaton
Goodyera ophioides (Fernald) Rydb.
Goodyera repens (L.) R.Br. subsp.
ophioides (Fernald) A.Löve & W.Simon
Goodyera repens (L.) R.Br. var.
ophioides Fernald
Peramium ophioides (Fernald) Rydb.
Peramium repens (L.) Salisb. var.
ophioides (Fernald) A.Heller
Satyrium repens L.
Goodyera
repens (L.) R.Br. X G. tesselata Lodd. +
Goodyera repens (L.) R.Br. var.
ophioides fERNALD X G. tesselata Lodd.
Goodyera
tesselata Lodd. * +
checkered
rattlesnake-plantain, tesselated rattlesnake-plantain
Epipactis tesselata (Lodd.)
A.A.Eaton
Peramium tesselatum (Lodd.) A.Heller
Liparis
liliifolia (L.) Rich. ex Lindl. * +
brown wide-lip
orchid, large twayblade, lily-leaved twayblade, mauve sleekwort, purple
twayblade
Leptorchis liliifolia (L.) Kuntze
Liparis liliifolia (L.) Rich. ex
Lindl. f. viridiflora Wadmond
Malaxis correana W.P.C.Barton
Malaxis liliifolia (L.) Sw.
Malaxis longifolia W.P.C.Barton
Ophrys liliifolia L.
Ophrys trifolia Walter
Liparis
loeselii (L.) Rich. * +
fen orchid, green
twayblade, Loesel's twayblade
Leptorchis loeselii (L.) MacMill.
Liparis correana (W.P.C.Barton)
Spreng.
Ophrys loeselii L.
Listera
auriculata Wiegand * +
auricled twayblade
Bifolium auriculatum (Wiegand)
Nieuwl.
Neottia auriculata (Wiegand) Szlach.
Ophrys auriculata (Wiegand) House
Listera
convallarioides (Sw.) Elliott * +
broad-leaved
twayblade
Bifolium convallarioides (Sw.)
Nieuwl.
Diphryllum convallarioides (Sw.)
Kuntze
Epipactis convallarioides Sw. 
Listera eschscholziana Cham.
Ophrys convallarioides (Sw.) W.Wight
ex House
Listera
cordata (L.) R.Br.
heart-leaf twayblade
Listera
cordata (L.) R.Br. var. cordata * +
heart-leaf twayblade
Bifolium cordatum (L.) Nieuwl.
Diphryllum cordatum (L.) Kuntze
Neottia cordata (L.) Rich.
Ophrys cordata L.
Pollinirhiza cordata (L.) Dulac
Listera
X veltmanii Case [Excluded
in Wisconsin]
Veltman's listera
Listera veltmanii Case
Malaxis
monophyllos (L.) Sw.
white adder's-mouth
Malaxis
monophyllos (L.) Sw. var. brachypoda (A.Gray) F.J.A.Morris &
E.A.Eames * +
North American white
adder's-mouth, white adder's-mouth
Malaxis brachypoda (A.Gray) Fernald
Malaxis monophyllos (L.) Sw. subsp.
brachypoda (A.Gray) A.Löve & D.Löve
Microstylis brachypoda A.Gray
Malaxis
unifolia Michx. * +
green adder's-mouth
Achroanthes unifolia (Michx.) Raf.
Malaxis ophioglossoides Muhl. ex
Willd.
Malaxis thlaspiformis A.Rich. &
Galeotti
Malaxis unifolia Michx. f. bifolia
Mousley
Malaxis unifolia Michx. f. unifolia
Microstylis grisebachiana Fawc.
& Rendle
Microstylis unifolia (Michx.)
Britton, Sterns & Poggenb.
Platanthera
aquilonis Sheviak
northern green
orchid
Platanthera hyperborea (L.) Lindl.
of many authors
Platanthera
blephariglottis (Willd.) Lindl. [Excluded
in Wisconsin] *
white fringed orchid
Habenaria blephariglottis (Willd.)
Hook.
Ochis blephariglottis Willd.
Platanthera
ciliaris (L.) Lindl. [Excluded
in Wisconsin] *
yellow fringed
orchid
Habenaria ciliaris (L.) R.Br.
Ochis ciliaris L.
Platanthera
clavellata (Michx.) Luer * +
club-spur orchid,
green woodland orchid, small green fringed orchid
Denslovia clavellata (Michx.) Rydb.
Gymnadeniopsis clavellata (Michx.)
Rydb.
Habenaria clavellata (Michx.)
Spreng.
Habenaria clavellata (Michx.)
Spreng. var. ophioglossoides Fernald
Habenaria clavellata (Michx.)
Spreng. var. wrightii Olive
Orchis clavellata Michx.
Platanthera
dilatata (Pursh) Lindl. ex Beck
boreal bog orchid,
leafy white orchis, white bog orchid
Platanthera
dilatata (Pursh) Lindl. ex Beck var. dilatata * +
boreal bog orchid,
leafy white orchis, scent-bottle, white bog orchid
Habenaria dilatata (Pursh) Hook.
Limnorchis dilatata (Pursh) Rydb.
Orchis dilatata Pursh
Platanthera dilatata (Pursh) Lindl.
ex Beck var. angustifolia Hook.
Platanthera
dilatata (Pursh) Lindl. ex Beck X P. huronensis (Nutt.) Lindl.
+
Platanthera
flava (L.) Lindl.
pale green orchid,
tubercled orchid
Platanthera
flava (L.) Lindl. var. herbiola (R.Br.) Luer * +
pale green orchid,
tubercled orchid
Habenaria flava (L.) R.Br. ex
Spreng. var. herbiola (R.Br.) Ames & Correll
Habenaria herbiola R.Br.
Platanthera
hookeri (Torr. ex A.Gray) Lindl. * +
Hooker's orchid,
pad-leaf
Habenaria hookeri Torr. ex A.Gray
Habenaria hookeri Torr. ex A.Gray
var. abbreviata Fernald
Lysias hookeriana (Torr. ex A.Gray)
Rydb.
Orchis hookeri (Torr. ex A.Gray)
A.W.Wood
Platanthera hookeri (Torr. ex
A.Gray) Lindl. var. abbreviata (Fernald) W.J.Schrenk
Platanthera
huronensis (Nutt.) Lindl. * +
Huron green orchid,
tall nothern bog orchid
Habenaria dilatata (Pursh) Hook.
var. media (Rydb.) Ames
Habenaria huronensis (Nutt.) Spreng.
Habenaria hyperborea (L.) R.Br. var.
huronensis (Nutt.) Farw.
Habenaria X media (Rydb.) G.Niles
(pro sp.)
Limnorchis huronensis (Nutt.) Rydb.
Limnorchis media Rydb.
Orchis huronensis Nutt.
Platanthera hyperborea (L.) Lindl.
var. huronensis (Nutt.) Luer
Platanthera hyperborea (L.) Lindl.
var. major Lange
Platanthera X media (Rydb.) Luer
(pro sp.)
Platanthera
hyperborea (L.) Lindl. [Excluded
in Wisconsin]
northern green
orchid, tall northern bog orchid
Habenaria hyperborea (L.) R.Br.
Limnorchis hyperborea (L.) Rydb.
Orchis hyperborea L.
Platanthera hyperborea (L.) Lindl.
var. hyperborea
Platanthera hyperborea (L.) Lindl.
var. minor Lange
Platanthera
lacera (Michx.) G.Don * +
green fringed
orchid, ragged fringed orchid
Blephariglottis lacera (Michx.)
Farw.
Habenaria lacera (Michx.) R.Br.
Orchis lacera Michx.
Platanthera lacera (Michx.) G.Don
var. lacera
Platanthera
leucophaea (Nutt.) Lindl. * +
eastern prairie
fringed orchid, prairie white fringed orchid
Blephariglottis leucophaea (Nutt.)
Farw.
Habenaria leucophaea (Nutt.) A.Gray
Habenaria leucophaea (Nutt.) A.Gray
var. leucophaea
Orchis leucophaea Nutt.
Platanthera
macrophylla (Goldie) P.M.Brown
large round-leaved
orchid
Habenaria macrophylla Goldie
Habenaria orbiculata (Pursh) Torr.
var. macrophylla (Goldie) B.Boivin
Lysias macrophylla (Goldie) House
Platanthera orbiculata (Pursh)
Lindl. var. macrophylla (Goldie) Luer
Platanthera
obtusata (Banks ex Pursh) Lindl. * +
blunt bog orchid,
blunt-leaved orchid
Habenaria obtusata (Banks ex Pursh)
Richardson
Habenaria obtusata (Banks ex Pursh)
Richardson var. collectanea Fernald
Lysiella obtusata (Banks ex Pursh)
Rydb.
Orchis obtusata Banks ex Pursh
Platanthera obtusata (Banks ex
Pursh) Lindl. subsp. oligantha (Turcz.) Hultén
Platanthera
orbiculata (Pursh) Lindl. * +
large round-leaved
orchid
Habenaria orbiculata (Pursh) Torr.
Habenaria orbiculata (Pursh) Torr.
var. lehorsii Fernald
Habenaria orbiculata (Pursh) Torr.
var. menziesii (Lindl.) Fernald
Lysias orbiculata (Pursh) Rydb.
Orchis orbiculata Pursh
Platanthera orbiculata (Pursh)
Lindl. var. lehorsii (Fernald) Catling
Platanthera orbiculata (Pursh)
Lindl. var. orbiculata
Platanthera
psycodes (L.) Lindl. * +
lesser purple
fringed orchid
Blephariglottis psycodes (L.) Rydb.
Habenaria psycodes (L.) Spreng.
Habenaria psycodes (L.) Spreng. var.
psycodes
Orchis psycodes L.
Platanthera
X andrewsii (M.White) Luer +
Andrews' bog orchid
Habenaria X andrewsii M.White
Pogonia
ophioglossoides (L.) Ker Gawl. * +
adder's-mouth, rose
pogonia, snakemouth orchid
Arethusa ophioglossoides L.
Pogonia ophioglossoides (L.) Ker
Gawl. f. albiflora E.L.Rand & Redfield
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