Echinocereus dasyacanthus Engelm. [ Echinocereus pectinatus variety dasyacanthus (Engelm.) W.H.Earle ex N.P.Taylor]
Echinocereus dasyacanthus Engelm. [Cactaceae]
W. Curtis, Bot. Mag., ser. 2, vol. 1(): : t. 24, fig. 1 (1984) [C. King]