⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-54216, with some changes.

Cypripedium macranthos var. atropurpureum Aver. 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 54216) with original publication details: Turczaninowia 2: 18 1999.