External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:194958-1
- Publication
- Manual of the Flowering Plants of California
- Collation
- 1165
- Date of Publication
- 24 Nov 1925
- Family as entered in IPNI
- Asteraceae
Original Data
- Remarks
- Cnicus Drummondii, var. acaulescens, A. Gray