Echinocereus viridiflorus subsp. davisii (Houghton) N.P.Taylor in Cactaceae Consensus Init. 3: 10. 1997
Echinocereus viridiflorus subsp. davisii in Cactaceae Consensus Init. 3: 10. 1997
is new combination for Echinocereus davisii in J. Cact. Succ. Soc. Amer. 2: 466. 1931