External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:297667-2
- Publication
- American Naturalist; a Popular Illustrated Magazine of Natural History. Boston, MA
- Collation
- 63: 475
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Colorado (Northwestern U.S.A., Northern America)