⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5100732, with some changes.
This name is a synonym of Pyrrhocactus chilensis var. albidiflorus .
The record derives from Tropicos which reports it as a synonym (record 5100732
) with original publication details: Cactaceae 3: 99, f. 108 99 1922.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:168924-2
.