Synonyms
Cypripedium petri Rchb.f.
Cordula dayana (Robert Stone ex J.Dix) Rolfe
Paphiopedilum dayanum var. petri (Rchb.f.) Pfitzer
Paphiopedilum petri (Rchb.f.) Pfitzer
Cypripedium peteri Rchb.f.
Cypripedium spectabile var. dayanum (Robert Stone ex J.Dix) Lindl.
Cypripedium ernestianum L.Castle
Cypripedium dayi B.S.Williams
Cypripedium dayanum Robert Stone ex J.Dix
Cordula petri (Rchb.f.) Rolfe