External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:120253-2
- Publication
- Bulletin of the Torrey Botanical Club. New York
- Collation
- 110: 15
- Family as entered in IPNI
- Asteraceae
Type Information
- Collector Team
- H.M.Hall 10236
- Type Herbaria
- holotype UC
- Distribution Of Types
- 6 mi. N of San Rafaeal, Marin County (California, Southwestern U.S.A., Northern America)