Echinocereus pacificus (Engelm.) Britton & Rose, Cactaceae 3: 12, f. 9. 1922
Echinocereus pacificus, Cactaceae 3: 12, f. 9. 1922
is new combination for Cereus phoeniceus var. pacificus in W. Amer. Sci. 2: 46. 1886
Echinocereus pacificus, Cactaceae 3: 12, f. 9. 1922