External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:137384-1
- Publication
- in Cactus (Belg.)
- Collation
- iv. 57 (1934); et in Kakteenfreund, iv. 50 (1935); cf. GrayHerb. Card Cat., Issue 147
- Family as entered in IPNI
- Cactaceae
Original Data
- Remarks
- Echinocactus Stuemeri