Cirsium acaule var. americanus A.Gray
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1194618-2
- Species Name
- Cirsium acaulon (L.) Scop., Annus Hist.-Nat. 2: 62 (1769).
- Family as entered in IPNI
- Asteraceae
Links
- Nomenclatural link
- Carduus americanus Rydb., Bull. Torrey Bot. Club 28: 508 (1901).