Sclerocactus johnsonii subsp. acunensis (W.T.Marshall) M.A.Baker & J.M.Porter, Endang. Sp. Threats Conserv.: 48. 2016
Sclerocactus johnsonii subsp. acunensis, Endang. Sp. Threats Conserv.: 48. 2016
is new combination for Echinomastus acunensis in Saguaroland Bull. 7: 34. 1953
Sclerocactus johnsonii subsp. acunensis, Endang. Sp. Threats Conserv.: 48. 2016