As classified in WFO snapshot
June 2024
latest classification for this taxon
variety
Cypripedium purpuratum var. obscurum
Robert Stone ex J.Dix
This variety name was first published in Proc. Roy. Hort. Soc. London 1: 146 (1860)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .