Echinocereus pamanesii A.B.Lau [as "pamanesiorum"] in Cact. Suc. Mex. 26: 38. 1981
Echinocereus pamanesii [as "pamanesiorum"] in Cact. Suc. Mex. 26: 38. 1981
has orthographic variant Echinocereus pamanesiorum
Echinocereus pamanesii in Cact. Suc. Mex. 26: 38. 1981