External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:134445-2
- Publication
- Manual of the Flora of the northern States and Canada
- Collation
- 927
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Virginia (Southeastern U.S.A., Northern America)