External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:124105-2
- Publication
- Repertorium Specierum Novarum Regni Vegetabilis. Centralblatt für Sammlung und Veroffentlichung von Einzeldiagnosen neuer Pflanzen. [Edited by Friedrich Fedde]. Berlin
- Collation
- 51: 61
- Family as entered in IPNI
- Cactaceae
Nomenclatural Notes
Kakteenkunde, 1942: 5. 1942
Links
- Nomenclatural link
- Echinocactus geissei Poselg. in K.Schum.
- Same citation as
- Horridocactus geissei (Poselg. ex K.Schum.) Dölz, Repert. Spec. Nov. Regni Veg. 51: 61 (1942).
- Same citation as
- Horridocactus geissei (Poselg. ex K.Schum.) Dölz