Cypripedium pubescens

Cypripedium parviflorum
Cypripedium parviflorum var. makasin Mackinac Island, Michigan
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Cypripedioideae
Tribe:	Cypripedieae
Subtribe:	Cypripediinae
Genus:	Cypripedium
Species:	C. parviflorum
Binomial name
Cypripedium parviflorum Salisb.
Synonyms
Cypripedium luteum var. parviflorum (Salisb.) Raf. Criosanthes parviflora (Salisb.) Raf. Calceolus parviflorus (Salisb.) Nieuwl. Cypripedium calceolus var. parviflorum (Salisb.) Fernald Cypripedium hirsutum var. parviflorum (Salisb.) Rolfe Cypripedium bulbosum var. parviflorum (Salisb.) Farw. Cypripedium calceolus subsp. parviflorum (Salisb.) Hultén

Cypripedium parviflorum, commonly known as yellow lady's slipper, moccasin flower, or hairy yellow ladyslipper is a lady's slipper orchid found in North America.

Four varieties are widely recognized:

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Wikipedia