External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:232616-2
- Publication
- Memoirs of the New York Botanical Garden. Bronx, NY
- Collation
- 1: 442
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Montana, Idaho and Oregon, United States of America (Northern America)