Eriosyce ceratistes var. vallenarensis Backeb., Descr. Cact. Nov. 1: 32. 1957 ["1956"]
Eriosyce ceratistes var. vallenarensis, Descr. Cact. Nov. 1: 32. 1957 ["1956"]
is basionym for Eriosyce sandillon var. vallenarensis, Cact. Fl. Silvestre Chile: 144. 1989