Haageocereus decumbens var. spinosior Backeb. in Cact. Succ. J. (Los Angeles) 23(2): 47. 1951
Haageocereus decumbens var. spinosior in Cact. Succ. J. (Los Angeles) 23(2): 47. 1951
is basionym for Haageocereus decumbens f. spinosior, Kakteen 31: C Va. 1965