External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:262860-2
- Publication
- North American Flora. New York Botanical Garden
- Collation
- 34(1): 5
- Date of Publication
- 31 Dec 1914
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Lower California, Mexico (Northern America)