Echinocactus polycephalus subsp. xeranthemoides (J.M.Coult.) N.P.Taylor
, Cactaceae Consensus Init. 5: 12 (1998).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1005754-1
- Species Name
- Echinocactus polycephalus Engelm. & J.M.Bigelow, Descr. Cact. [G. Engelmann & J. Bigelow] iv. 31. (1856).
- Publication
- Cactaceae Consensus Initiatives. England
- Collation
- 5: 12
- Date of Publication
- 1998
- Family as entered in IPNI
- Cactaceae