External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:36603-2
- Publication
- Anales de la Sociedad Cientifica Argentina
- Collation
- 96: 69
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Echinocactus arrigens Link
- Same citation as
- Brittonrosea arrigens Speg., Anales Soc. Ci. Argent. xcvi. 69 (1923).