External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:125680-2
- Publication
- Contributions to Western Botany. [by Marcus E. Jones]. San Francisco, CA
- Collation
- 12: 47
- Date of Publication
- 26 Mar 1908
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Arizona (Southwestern U.S.A., Northern America)