Echinocactus emoryi f. rectispinus (Engelm. ex J.M.Coult.) Schelle
, Handb. Kakteenkult. 161 (1907). BHL
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87335-2
- Species Name
- Echinocactus emoryi Engelm., Notes Milit. Reconn. [Emory] 156 (1848).
- Publication
- Handbuch der Kakteenkultur.
- Collation
- 161
- Family as entered in IPNI
- Cactaceae