External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:143606-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 3(2): 131
- Date of Publication
- 10 Jun 1894
- Family as entered in IPNI
- Cactaceae
Links
- Basionym
- Echinocactus williamsii Lem. ex J.F.Cels, Ann. Fl. Pomone 10: 354 (1842).
- Same citation as
- Lophophora williamsii (Salm-Dyck) J.M.Coult.
- Same citation as
- Lophophora williamsii J.M.Coult., Contr. U.S. Natl. Herb. 3(2): 131 (1894).
- Hybrid Parent of
- × Turbiniphora panarottoi Halda & Malina, Acta Mus. Richnov., Sect. Nat. 12(1): 8 (33; photos) (2005).