Echinocereus pectinatus var. ctenoides (Engelm.) D.Weniger ex G.Frank in Kakteen And. Sukk. 42: 140. 1991
Echinocereus pectinatus var. ctenoides in Kakteen And. Sukk. 42: 140. 1991
is new combination for Cereus ctenoides in Proc. Amer. Acad. Arts 3: 279. 1856