Echinocereus occidentalis (N.P.Taylor) W.Rischer, S.Breckw. & Breckw. in Echinocereenfreund 22: 23. 2008 ["2009"] sec. Felix & Bauer 2018
- ≡Echinocereus stramineus var. occidentalis N.P.Taylor in Bradleya 6: 70. 1988 syn. sec. ???
- ≡Echinocereus stramineus subsp. occidentalis (N.P.Taylor) N.P.Taylor in Cactaceae Consensus Init. 3: 10. 1997 syn. sec. ???
- ≡Echinocereus occidentalis subsp. occidentalis syn. sec. Felix & Bauer 2018
- =Echinocereus occidentalis subsp. breckwoldtiorum De-Nova, Cast.-Lara & W.Blum in Xerophilia special issue 7.2: 4. 2015 syn. sec. Felix & Bauer 2018
Notes
Echinocereus occidentalis was segregated from E. stramineus due to minor differences in morphology and chromosome number. Echinocereus occidentalis is diploid, while the E. stramineus is tetraploid.
