Weberbauerocereus horridispinus Rauh & Backeb., Descr. Cact. Nov. 1: 27. 1957 ["1956"]
Weberbauerocereus horridispinus, Descr. Cact. Nov. 1: 27. 1957 ["1956"]
is basionym for Weberbauerocereus weberbaueri var. horridispinus, Kakteen Südamerika 4: 1356. 1981
is basionym for Haageocereus weberbaueri var. horridispinus in Calyx 5: 65. 1995