External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175023-2
- Species Name
- Opuntia echios J.T.Howell, Proc. Calif. Acad. Sci. ser. 4, 21: 49 (1933).
- Publication
- Madrono; Journal of the California Botanical Society
- Collation
- 20: 256
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Opuntia zacana J.T.Howell, Proc. Calif. Acad. Sci. ser. 4, 21: 48, t. 2, f. 2 (1933).
- Same citation as
- Opuntia echios var. zacana (J.T.Howell) Walk.