Echinomastus arizonicus Hester in Cact. Succ. J. (Los Angeles) 5: 504. 1934
Echinomastus arizonicus in Cact. Succ. J. (Los Angeles) 5: 504. 1934
is new combination for Echinocactus johnsonii var. lutescens in Bull. S. Calif. Acad. Sci. 25: 83. 1926
Echinomastus arizonicus in Cact. Succ. J. (Los Angeles) 5: 504. 1934
Taxon for this name