Ritterocereus queretaroensis (F.A.C.Weber ex Mathsson) Backeb. in Cact. Succ. J. (Los Angeles) 23(4): 121. 1951
Ritterocereus queretaroensis in Cact. Succ. J. (Los Angeles) 23(4): 121. 1951
is new combination for Cereus queretaroensis in Monatsschr. Kakteenk. 1: 27. 1891