External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175295-2
- Publication
- Report (Annual) of the Missouri Botanical Garden. St. Louis
- Collation
- 20: 91, tab. 2, 13
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Opuntia engelmannii var. megacarpa Fosberg, Bull. S. Calif. Acad. Sci. 33: 100 (1934).
- Nomenclatural link
- Opuntia occidentalis var. megacarpa (Griffiths) Munz, Aliso 4: 94 (1958).
- Nomenclatural link
- Opuntia engelmannii var. megacarpa (Griffiths) Fosberg
- Same citation as
- Opuntia megacarpa Griffiths, Rep. (Annual) Missouri Bot. Gard. xx. 91 (1909).