External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:284776-2
- Publication
- Great Basin Naturalist
- Collation
- 44: 68
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus whipplei var. glaucus K.Schum.