⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-375349, with some changes.

Cypripedium calceolus var. rubrum Georgi is a synonym of Cypripedium macranthos Sw.

This name is a synonym of Cypripedium macranthos Sw..

The record derives from WCSP which reports it as a synonym (record 375349) with original publication details: Bemerk. Reise Russ. Reich. 1: 232 1775.