External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:179535-1
- Publication
- Repertorium Botanices Systematicae (Walpers)
- Collation
- 6(2): 214
- Date of Publication
- 2-3 Nov 1846
- Family as entered in IPNI
- Asteraceae