External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:23562-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 16: 187
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- New Mexico (South-Central U.S.A., Northern America)