External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:195574-1
- Publication
- Flora of the Rocky Mountains . . .
- Collation
- 1010
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- U.S.A. (Utah)
Links
- Duplicate citation of
- Cirsium lactucinum Rydb., Fl. Rocky Mts. 1010, 1068 (1917).