Category: Monocots
Family Name: Orchidaceae

Aplectrum - [maps | photos]

• Aplectrum hyemale (Muhl. ex Willd.) Nutt
  NWI R2 TN: Facultative +
  Common Name: Adam and Eve

Calopogon - [maps | photos]

• Calopogon oklahomensis D.H. Goldman (TN Endangered -Possibly Extirpated)
  Common Name: Oklahoma grass-pink

• Calopogon tuberosus (L.) B.S.P.
  NWI R2 TN: Obligate Wetland
  Common Name: tuberous grass-pink
  Synonyms:
  

         • Calopogon pulchellus R. Br. ex Aiton

Cleistes - [maps | photos]

• Cleistes bifaria (Fernald) Catling & Gregg
  Common Name: small spreading pogonia, rosebud orchid
  Synonyms:
  

         • Cleistes divaricata (L.) Ames var. bifaria Fernald

Coeloglossum - [maps | photos]

• Coeloglossum viride (L.) Hartman var. virescens (Muhl. ex Willd.) Luer (TN Endangered)
  NWI R2 TN: Facultative
  Common Name: longbract frog orchid
  Synonyms:
  

         • Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase

         • Habenaria viridis (L.) R. Br. ex Aiton f. var. bracteata (Muhl. ex Willd.) Reichenb. ex A. Gray

Corallorhiza - [maps | photos]

• Corallorhiza maculata (Raf.) Raf. (TN Threatened)
  NWI R2 TN: Obligate Upland
  Common Name: summer or spotted coralroot

• Corallorhiza odontorhiza (Willd.) Nutt.
  Common Name: autumn coralroot

• Corallorhiza wisteriana Conrad
  NWI R2 TN: Facultative
  Common Name: spring or wister's coralroot

Cypripedium - [maps | photos]

• Cypripedium acaule Aiton (TN Special Concern -Commercially Exploited)
  NWI R2 TN: Facultative Upland
  Common Name: pink lady's slipper, moccasin flower

• Cypripedium kentuckiense C.F. Reed (TN Endangered)
  Common Name: Kentucky lady's slipper

• Cypripedium parviflorum Salisb.
  NWI R2 TN: Facultative
  Common Name: small yellow lady's slipper
  Synonyms:
  

         • Cypripedium calceolus L. var. parviflorum (Salisb.) Fernald

• Cypripedium pubescens Willd.
  NWI R2 TN: Facultative
  Common Name: large yellow lady's slipper
  Synonyms:
  

         • Cypripedium calceolus L. var. pubescens (Willd.) Correll

• Cypripedium reginae Walt. (TN Endangered)
  NWI R2 TN: Facultative Wetland -
  Common Name: showy lady's slipper

Epipactis - [maps | photos]

• Epipactis helleborine * (L.) Crantz
  Common Name: broadleaf helleborine

Galearis - [maps | photos]

• Galearis spectabilis (L.) Raf.
  Common Name: showy orchid
  Synonyms:
  

         • Orchis spectabilis L.

Goodyera - [maps | photos]

• Goodyera pubescens (Willd.) R. Br. ex Aiton
  NWI R2 TN: Obligate Upland
  Common Name: downy rattlesnake-plantain

• Goodyera repens (L.) R. Br. ex Aiton (TN Special Concern)
  NWI R2 TN: Obligate Upland
  Common Name: lesser rattlesnake-plantain

Hexalectris - [maps | photos]

• Hexalectris spicata (Walt.) Barnhart
  NWI R2 TN: Facultative Upland
  Common Name: spiked crested coralroot

Isotria - [maps | photos]

• Isotria medeoloides (Pursh) Raf. (TN Endangered)  (Fed Listed Threatened)
  NWI R2 TN: Facultative Upland
  Common Name: small whorled pogonia

• Isotria verticillata Raf.
  NWI R2 TN: Facultative Upland
  Common Name: large whorled pogonia

Liparis - [maps | photos]

• Liparis liliifolia (L.) L.C. Rich. ex Ker-Gawl.
  NWI R2 TN: Facultative Upland
  Common Name: lilyleaved twayblade, brown widelip orchid

• Liparis loeselii (L.) L.C. Rich. (TN Threatened)
  NWI R2 TN: Facultative Wetland -
  Common Name: fen orchid, yellow widelip orchid

Listera - [maps | photos]

• Listera australis Lindl. (TN Endangered)
  NWI R2 TN: Facultative Wetland
  Common Name: southern twayblade

• Listera smallii Wieg.
  NWI R2 TN: Facultative Wetland -
  Common Name: kidneyleaf twayblade

Malaxis - [maps | photos]

• Malaxis unifolia Michx.
  NWI R2 TN: Facultative +
  Common Name: green adder's mouth

Platanthera - [maps | photos]

• Platanthera ciliaris (L.) Lindl.
  NWI R2 TN: Facultative Wetland
  Common Name: yellow fringed orchid
  Synonyms:
  

         • Habenaria ciliaris (L.) R. Br. ex Aiton

• Platanthera clavellata (Michx.) Luer
  NWI R2 TN: Obligate Wetland
  Common Name: small green wood orchid
  Synonyms:
  

         • Gymnadeniopsis clavellata (Michaux) Rydberg

         • Habenaria clavellata (Michx.) Spreng.

• Platanthera cristata (Michx.) Lindl. (TN Special Concern)
  NWI R2 TN: Obligate Wetland
  Common Name: yellow crested orchid
  Synonyms:
  

         • Habenaria cristata (Michx.) R. Br. ex Ait. f.

• Platanthera flava (L.) Lindl. var. flava
  NWI R2 TN: Facultative Wetland
  Common Name: palegreen orchid
  Synonyms:
  

         • Habenaria flava (L.) R. Br.

• Platanthera flava (L.) Lindl. var. herbiola (R. Br. ex Aiton) Luer (TN Threatened)
  NWI R2 TN: Facultative Wetland
  Common Name: palegreen orchid
  Synonyms:
  

         • Habenaria flava (L.) R. Br. var. herbiola (R. Br. ex Aiton) Ames & Correll

• Platanthera grandiflora (Bigelow) Lindl. (TN Endangered)
  NWI R2 TN: Facultative Wetland
  Common Name: large purple fringed orchid
  Synonyms:
  

         • Habenaria grandiflora (Bigelow) Torr.

• Platanthera integra (Nutt.) A. Gray ex Beck (TN Endangered)
  NWI R2 TN: Obligate Wetland
  Common Name: yellow fringeless orchid
  Synonyms:
  

         • Gymnadeniopsis integra (Nutt.) Rydberg

         • Habenaria integra (Nutt.) Spreng.

• Platanthera integrilabia (Correll) Luer (TN Endangered)  (Fed Listed Threatened)
  NWI R2 TN: Obligate Wetland
  Common Name: monkeyface orchid
  Synonyms:
  

         • Habenaria blephariglottis (Willd.) Hook. var. integrilabia Correll

• Platanthera lacera (Michx.) G. Don
  NWI R2 TN: Facultative Wetland
  Common Name: green fringed orchid
  Synonyms:
  

         • Habenaria lacera (Michx.) R. Br.

• Platanthera nivea (Nutt.) Luer (TN Endangered)
  NWI R2 TN: Facultative Wetland
  Common Name: snowy orchid
  Synonyms:
  

         • Gymnadeniopsis nivea (Nuttall) Rydberg

         • Habenaria nivea (Nutt.) Spreng.

• Platanthera orbiculata (Pursh) Lindl. (TN Threatened)
  NWI R2 TN: Facultative Upland
  Common Name: lesser roundleaved orchid
  Synonyms:
  

         • Habenaria orbiculata (Pursh) Torr.

• Platanthera peramoena (A. Gray) A. Gray
  NWI R2 TN: Facultative Wetland
  Common Name: purple fringeless orchid
  Synonyms:
  

         • Habenaria peramoena A. Gray

• Platanthera psycodes (L.) Lindl. (TN Special Concern)
  NWI R2 TN: Facultative Wetland -
  Common Name: small purple fringed orchid
  Synonyms:
  

         • Habenaria psycodes (L.) Spreng.

Pogonia - [maps | photos]

• Pogonia ophioglossoides (L.) Ker-Gawl. (TN Endangered)
  NWI R2 TN: Obligate Wetland
  Common Name: rose pogonia, snakemouth orchid

Ponthieva - [maps | photos]

• Ponthieva racemosa (Walt.) C. Mohr (TN Endangered)
  NWI R2 TN: Facultative Wetland +
  Common Name: hairy shadow witch

Spiranthes - [maps | photos]

• Spiranthes cernua (L.) L.C. Rich
  NWI R2 TN: Facultative Wetland
  Common Name: nodding ladies'-tresses

• Spiranthes lacera (Raf.) Raf. var. gracilis (Bigelow) Luer
  NWI R2 TN: Facultative
  Common Name: Southern slender ladies'-tresses
  Synonyms:
  

         • Spiranthes gracilis (Bigelow) Beck

• Spiranthes lacera (Raf.) Raf. var. lacera
  NWI R2 TN: Facultative
  Common Name: Northern slender ladies'-tresses

• Spiranthes lucida (Eaton) Ames (TN Threatened)
  Common Name: shining ladies'-tresses

• Spiranthes magnicamporum Sheviak (TN Endangered)
  NWI R2 TN: Facultative
  Common Name: Great Plains ladies tresses

• Spiranthes ochroleuca (Rydb.) Rydb. (TN Endangered)
  Common Name: yellow ladies'-tresses
  Synonyms:
  

         • Spiranthes cernua (L.) L.C. Rich. var. ochroleuca (Rydb.) Ames

• Spiranthes odorata (Nutt.) Lindl. (TN Endangered)
  NWI R2 TN: Obligate Wetland
  Common Name: marsh ladies'-tresses
  Synonyms:
  

         • Spiranthes cernua (L.) L.C. Rich. var. odorata (Nutt.) Correll

• Spiranthes ovalis Lindl.
  NWI R2 TN: Facultative
  Common Name: October ladies'-tresses

• Spiranthes tuberosa Raf.
  NWI R2 TN: Facultative Upland
  Common Name: little ladies'-tresses
  Synonyms:
  

         • Spiranthes grayi Ames

• Spiranthes vernalis Engelm. & A. Gray
  NWI R2 TN: Facultative Wetland -
  Common Name: spring ladies'-tresses

Tipularia - [maps | photos]

• Tipularia discolor (Pursh) Nutt.
  NWI R2 TN: Facultative Upland
  Common Name: cranefly orchid

Triphora - [maps | photos]

• Triphora trianthophora (Sw.) Rydb.
  NWI R2 TN: Facultative Wetland -
  Common Name: three birds orchid, nodding caps