External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:181087-1
- Publication
- Flora of North America, A (Torrey & Gray)
- Collation
- 2(1): 163
- Date of Publication
- May 1841
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- Am. bor. et austr