External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87501-2
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 3: 274
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus hamatacanthus var. brevispinus (Engelm.) J.M.Coult.
- Nomenclatural link
- Hamatocactus hamatocanthus var. brevispinus (Engelm.) Borg
- Nomenclatural link
- Echinocactus longihamatus f. brevispinus (Engelm.) Schelle, Handb. Kakteenkult. 160 (1907).
- Nomenclatural link
- Echinocactus hamatacanthus var. brevispinus J.M.Coult., Contr. U.S. Natl. Herb. 3(7): 366 (1896).