⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50203329, with some changes.
This name is a synonym of Notocactus megapotamicus var. flavispinus .
The record derives from Tropicos which reports it as a synonym (record 50203329
).
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:170659-2
.