Echinomastus acunensis W.T.Marshall in Saguaroland Bull. 7: 34. 1953
Echinomastus acunensis in Saguaroland Bull. 7: 34. 1953
is basionym for Sclerocactus johnsonii subsp. acunensis, Endang. Sp. Threats Conserv.: 48. 2016
is basionym for Echinomastus erectocentrus var. acunensis in Cact. Suc. Mex. 25: 65. 1980
is basionym for Neolloydia erectocentra var. acunensis, Cacti Ariz., ed. 3: 25. 1969
is basionym for Echinomastus erectocentrus subsp. acunensis in Cactaceae Syst. Init. 16: 17. 2003