Lophophora echinata var. lutea (Rouhier) Croizat
, Desert Pl. Life 16: 44 (1944).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:143601-2
- Publication
- Desert Plant Life. Pasadena, CA
- Collation
- 16: 44
- Family as entered in IPNI
- Cactaceae