Echinocereus fendleri var. boyce-thompsonii (Orcutt) L.D.Benson in Proc. Calif. Acad. Sci., ser. 4, 25: 260. 1944
Echinocereus fendleri var. boyce-thompsonii in Proc. Calif. Acad. Sci., ser. 4, 25: 260. 1944
is new combination for Echinocereus boyce-thompsonii in Cactography 4. 1926