External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:991680-1
- Publication
- Manual Flora of Madeira and the Adjacent Islands of Porto Santo and the Desertas. London
- Collation
- 1(4): 460
- Date of Publication
- 1868
- Family as entered in IPNI
- Asteraceae