Echinocereus stolonifer subsp. tayopensis (W.T.Marshall) N.P.Taylor in Cactaceae Consensus Init. 3: 10. 1997 sec. Hunt 2016
- ≡Echinocereus tayopensis W.T.Marshall in Saguaroland Bull. 10: 78. 1956 syn. sec. ???
- ≡Echinocereus stolonifer var. tayopensis (W.T.Marshall) N.P.Taylor in Kew Mag. 2: 258. 1985 syn. sec. ???
- ≡Echinocereus stolonifer subsp. tayopensis (W.T.Marshall) G.Pichler in Repert. Pl. Succ. 45: 9. 1994 syn. sec. ???