External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:963769-1
- Publication
- Madrono; Journal of the California Botanical Society
- Collation
- 39(2): 108
- Family as entered in IPNI
- Cactaceae
Remarks
Publ. as a comb. nov. but basionym not validly publ. This nam is valid. publ. as a tax. nov., although 'lectotype' was cited, it is not contrary to Art. 40.6 ICN (2018) because he also used the word 'Type'.