Native Orchids of South Dakota

Scientific Name	Common Name(s)	Distribution by County
1. Calypso bulbosa var. americana	Fairy slipper, Venus slipper	Lawrence
2. Coeloglossum viride	Long-bracted orchid	Custer, Harding, Lawrence, Marshall,  Pennington, Roberts
3. Corallorhiza maculata	Spotted coralroot	Lawrence
4. Corallorhiza odontorhiza	Late coralroot	Lawrence
5. Corallorhiza striata var. striata Corallorhiza striata var. vreelandii	Striped coralroot Vreeland’s striped coralroot	Custer, Lawrence, Meade, Pennington Lawrence, Meade
6. Corallorhiza trifida	Pale coralroot	Lawrence
7. Corallorhiza wisteriana	Wister’s coralroot	Lawrence, Meade
8. Cypripedium candidum	Small white ladyslipper	Brookings, Deuel, Grant, Marshall, Roberts
9. Cypripedium parviflorum	Yellow ladyslipper	Lawrence, Marshall, Meade, Pennington, Roberts
10. Epipactis gigantea	Giant helleborine	Fall River
11. Goodyera oblongifolia	Giant rattlesnake plantain	Lawrence
12. Goodyera repens	Lesser rattlesnake plantain	Custer, Lawrence, Pennington
13. Liparis loeselii	Loesel’s twayblade	Brookings, Roberts
14. Listera convallarioides	Nuttal’s twayblade	Lawrence
15. Piperia unalascensis	Alaska orchid	Lawrence
16. Platanthera aquilonis	Northern bog orchid	Lawrence, Roberts
17. Platanthera dilatata	White bog orchid	Lawrence
18. Platanthera huronensis	Huron bog orchid	Lawrence
19. Platanthera orbiculata	Round-leaved orchid	Lawrence
20. Platanthera praeclara [extinct in SD]	Western prairie fringed orchid	Brookings, Minnehaha
21. Spiranthes cernua	Ladies tresses	Clay
22. Spiranthes magnicamporum	Great Plains ladies tresses	Brookings, Deuel
23. Spiranthes romanzoffiana	Hooded ladies tresses	Lawrence
24. Spiranthes vernalis	Twisted ladies tresses	Union