External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:204731-1
- Publication
- Prodromus Systematis Naturalis Regni Vegetabilis ... (DC.)
- Collation
- 6: 147
- Date of Publication
- early Jan 1838
- Family as entered in IPNI
- Asteraceae