External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:188587-1
- Publication
- The Genera of North American Plants. Philadelphia, USA
- Collation
- 2: 130
- Date of Publication
- 14 Jul 1818
- Family as entered in IPNI
- Asteraceae
Links
- Same citation as
- Carduus discolor Nutt.
- Same citation as
- Carduus discolor (Muhl. ex Willd.) Nutt.