Native Orchids of South Dakota

Scientific Name	Common Name(s)	Distribution by County
1. Calypso bulbosa	Fairy slipper, Venus slipper	Lawrence
2. Coeloglossum viride	Long-bracted orchid	Lawrence, Harding, Custer, Pennington, Marshall, 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	Lawrence, Meade, Pennington, Custer Lawrence, Meade
6. Corallorhiza trifida	Pale coralroot	Lawrence
7. Corallorhiza wisteriana	Wister’s coralroot	Lawrence, Meade, Custer
8. Cypripedium candidum	Little white ladyslipper	Marshall, Roberts, Grant, Deuel, Brookings
9. Cypripedium parviflorum var. parviflorum	Yellow ladyslipper	Lawrence, Meade, Custer Marshall and Roberts
10. Epipactis gigantea	Giant helleborine	Fall River
11. Goodyera oblongifolia	Giant rattlesnake plantain	Lawrence
12. Goodyera repens	Lesser rattlesnake plantain	Lawrence, Pennington, Custer
13. Liparis loeselii	Loesel’s twayblade	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, Custer
19. Platanthera orbiculata	Round-leaved orchid	Lawrence
20. Platanthera praeclara	Western prairie fringed orchid	Brookings and Minnehaha
21. Spiranthes cernua	Ladies tresses	Clay
22. Spiranthes magnicamporum	Great Plains ladies tresses	Deuel and Brookings
23. Spiranthes romanzoffiana	Hooded ladies tresses	Lawrence, Custer
24. Spiranthes vernalis	Twisted ladies tresses	Union