⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50196912, and has not been changed.
This name is a synonym of Acanthocalycium spiniflorum (K.Schum.) Backeb..
The record derives from Tropicos which reports it as a synonym (record 50196912) with original publication details: Lobivia 85: 157 157 1985-86.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:966174-1.