Publication: Gymnocalycium 18(1): 601 (599-602; figs.). 2005 [Feb 2005]
Origin and Habitat
La Rioja (Argentina Northwest, Southern America)
Type Locality: Sierra de Sañogasta supra jugum Cuesta de Miranda, 2200-2500m
Gymnocalycium ritterianum subs. acentracanthum F.Berger
Family: CACTACEAE · Variety or form of Gymnocalycium ritterianum