- IPNI Identifier
- urn:lsid:ipni.org:names:276239-2
- Publication
- Phytologia; Designed to Expedite Botanical Publication. New York
- Collation
- 63: 157
Links
- Nomenclatural link
- Echinocereus engelmannii var. nicholii L.D.Benson, Proc. Calif. Acad. Sci. ser. 4, 25: 258, fig (1944).
- Same citation as
- Echinocereus nicholii (L.D.Benson) B.D.Parfitt, Phytologia 63(3): 157 (1987): (1987).