Echinocereus nicholii (L.D.Benson) B.D.Parfitt in Phytologia 63(3): 157. 1987

is new combination for Echinocereus engelmannii var. nicholii L.D.Benson in Proc. Calif. Acad. Sci., ser. 4, 25: 258, pl. 25, f. B. 1944

Taxon for this name