Cypripedium pubescens

Cypripedium pubescens
Scientific classification
Kingdom:	Plantae;
Division:	Magnoliophyta;
Class:	Liliopsida;
Order:	Asparagales;
Family:	Orchidaceae;
Genus:	Cypripedium;
Species:	C. pubescens;
Binomial name
	Cypripedium pubescens; Willd.

Cypripedium pubescens (American valerian, Greater yellow lady's slipper, Large yellow lady's slipper, Moccasin Flower, Nerveroot, Noah's ark, Whippoorwills-shoe, Yellow ladies'-slipper, Yellow moccasin-flower, Yellow Indian Shoe; syn. Cypripedium calceolus L. var parviflorum Fernald, Cypripedium calceolus L. ssp parviflorum Hultén, Cypripedium bulbosum L. var parviflorum Farw., Cypripedium hirsutum Miller var parviflorum Nieuw., Cypripedium parviflorum var. pubescens, Cypripedium luteum Raf. var parviflorum Raf.) is a species of Lady's Slipper, and one of several orchids referred to as "Yellow Lady's Slipper Orchid". It is native to Illinois and surrounding states in the American Midwest, and it is used as a medicinal plant.