Echinocactus uncinatus var. wrightii ( ex Engelm. in Engelm.) Engelm.
, Syn. Cact. U. S. 16 (1856). BHL- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1211242-2
- Publication
- Synopsis of the Cactaceae of the Territory of the United States and Adjacent Regions...
- Collation
- 16
- Date of Publication
- preprint Proc. Amer. Acad. Arts 3: 272. 1857
- Family as entered in IPNI
- Cactaceae