External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:295502-2
- Publication
- Monatsschrift für Kakteenkunde. Berlin
- Collation
- 7: 6
- Family as entered in IPNI
- Cactaceae
Links
- Same citation as
- Pterocactus K.Schum., Monatsschr. Kakteenk. 1897, 6.