External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:59005-2
- Species Name
- Cirsium drummondii Torr. & A.Gray
- Publication
- Beihefte zum Botanischen Centralblatt. Abt. 2, Systematik, Pflanzengeographie, angewandte Botanik. Kassel, Dresden
- Collation
- 35: 360
- Family as entered in IPNI
- Asteraceae