⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2782210, and has not been changed.
This name is a synonym of Ferocactus robustus (Karw. ex Pfeiff.) Britton & Rose.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Monatschr. Kakteenk. 22: 163 1912.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:87652-2.