- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1023327-2
- Family as entered in IPNI
- Asteraceae
Links
- Nomenclatural link
- Carduus helleri Small, Fl. S.E. U.S. [Small]. 1307, 1341 (1903).
- Duplicate citation of
- Cirsium undulatum subsp. helleri Petr., Beih. Bot. Centralbl., Abt. 2. 35: 419 (1917).