| Family | Orchidaceae |
| Subfamily | Cypripedioideae (also placed in Cypripediaceae) |
| Tribe | Cypripedieae |
| Subtribe | Cypripediinae |
| Scientific name | Cypripedium reginae Walter |
| Synonyms | Calceolus hirsutus Nieuwland; Calceolus reginae Nieuwland; Cypripedium album Aiton; Cypripedium canadense Michaux; Cypripedium hirsutum (Farwell) Miller; Cypripedium hirsutum (Farwell) Miller forma album R. Hoffmann. Cypripedium humile Salisbury; Cypripedium reginae Walter forma albolabium Fernald & B. G. Schubert; Cypripedium reginae Walter forma album (Aiton) House; Cypripedium reginae Walter var. album (Aiton) Rolfe; Cypripedium spectabile Salisbury; Fissipes hirsuta Farwell |
| Common name | (English common name) Queen lady's-slipper, showy lady's-slipper |
| Distribution | Canada, USA |
| Reference | Cypripedium reginae Walter |
| Cypripedium reginae Walter | |
| Cypripedium reginae Walter | |
| Cypripedium reginae Walter 1788 | |
| General poisoning notes: Showy lady's-slipper (Cypripedium reginae) |
| June 2010 at my home |
June 2010 at my home |
June 2010 at my home |
| June 2010 at my home |
| July 2010 at my home |