External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:240173-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 16: 221
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Wisconsin (North-Central U.S.A., Northern America)