External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:131245-1
- Publication
- Circular to Cactus Fanciers
- Collation
- p.i. (1922)
- Family as entered in IPNI
- Cactaceae
Original Data
- Remarks
- Mammillaria echinus