External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:194993-1
- Publication
- University of Missouri Studies; Science Series. Columbia, MO
- Collation
- 2(2): 253
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- Cnicus americanus