External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:151703-2
- Publication
- Zoe; a Biological Journal
- Collation
- 3: 302
- Family as entered in IPNI
- Cactaceae
Nomenclatural Notes
as Mamillaria
Links
- Nomenclatural link
- Echinocactus simpsonii Engelm.
- Same citation as
- Mammillaria simpsonii (Engelm.) M.E.Jones