Austrocephalocereus estevesii Buining & Brederoo in Cact. Succ. J. (Los Angeles) 47: 267. 1975
Austrocephalocereus estevesii in Cact. Succ. J. (Los Angeles) 47: 267. 1975
is basionym for Siccobaccatus estevesii in Succulenta (Netherlands) 69: 7. 1990
is basionym for Micranthocereus estevesii, Kakteen Südamerika 1: 108. 1979
is replaced synonym for Coleocephalocereus neoestevesii in Ann. Bot. (Oxford) 132(5): 1003. 2023