External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:951964-1
- Species Name
- Cirsium calcareum Wooton & Standl., Contr. U.S. Natl. Herb. 19: 752 (1915).
- Publication
- Great Basin Naturalist
- Collation
- 43(2): 249
- Date of Publication
- 1983
- Family as entered in IPNI
- Asteraceae