Echinocereus longisetus (Engelm.) Lem., Cact. Gen. Sp. Nov.: 57. 1839
Echinocereus longisetus, Cact. Gen. Sp. Nov.: 57. 1839
is new combination for Cereus longisetus in Proc. Amer. Acad. Arts 3: 280–281. 1856
Echinocereus longisetus, Cact. Gen. Sp. Nov.: 57. 1839