External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:196703-1
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 17: 220
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- Arizona
Links
- Duplicate citation of
- Cnicus rothrockii A.Gray, Proc. Amer. Acad. Arts 17: 220 (1882).