⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-337013, with some changes.

Paphiopedilum caudatum var. wallisii (Rchb.f.) Stein is a synonym of Phragmipedium warszewiczianum (Rchb.f.) Schltr.

This name is a synonym of Phragmipedium warszewiczianum (Rchb.f.) Schltr..

The record derives from WCSP which reports it as a synonym (record 337013) with original publication details: Orchid.-Buch 460 1892.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:182828-2.