External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1209728-2
- Publication
- Madrono; Journal of the California Botanical Society
- Collation
- 49(3): 143
- Date of Publication
- 17 Dec 2002
- Family as entered in IPNI
- Asteraceae