External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175273-2
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 3: 292
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Opuntia violacea var. macrocentra (Engelm.) L.D.Benson, Cacti Ariz. ed. 3. 21 (1969).
- Nomenclatural link
- Opuntia violacea var. macrocentra (Engelm.) L.D.Benson
- Same citation as
- Opuntia macrocentra Engelm., Proc. Amer. Acad. Arts iii. (1857) 292.