Synonyms
Cypripedium reginae var. album (Aiton) Rolfe
Cypripedium reginae f. albolabium Fernald & B.G.Schub.
Cypripedium reginae f. album (Aiton) House
Cypripedium hirsutum f. album R.Hoffm.
Calceolus reginae (Walter) Nieuwl.
Cypripedium spectabile var. album Sweet
Cypripedium canadense Michx.
Cypripedium album Aiton
Cypripedium spectabile Salisb.
Cypripedium spectabile var. incarnatum Sweet