Echinocereus boyce-thompsonii Orcutt in Cactography 4. 1926
Echinocereus boyce-thompsonii in Cactography 4. 1926
is basionym for Echinocereus fasciculatus subsp. boyce-thompsonii in Cactaceae Consensus Init. 3: 8. 1997
is basionym for Echinocereus fendleri var. boyce-thompsonii in Proc. Calif. Acad. Sci., ser. 4, 25: 260. 1944
is basionym for Echinocereus fasciculatus var. boyce-thompsonii, Cacti Ariz., ed. 3: 21. 1969