Opuntia humifusa var. ammophila (Small) L.D.Benson in Cact. Succ. J. (Los Angeles) 48(2): 59. 1976
Opuntia humifusa var. ammophila in Cact. Succ. J. (Los Angeles) 48(2): 59. 1976
is new combination for Opuntia ammophila in J. New York Bot. Gard. 20(230): 29–30, pl. 224. 1919