External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:250139-1
- Publication
- Hortus Kewensis; or, a Catalogue of the Plants Cultivated in the Royal Botanic Garden at Kew. London
- Collation
- 3: 116
- Family as entered in IPNI
- Asteraceae