External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:233042-2
- Publication
- Publications of the Field Columbian Museum. Botanical series. Chicago, IL.
- Collation
- Ser. 2(6): 282
- Family as entered in IPNI
- Asteraceae
Type Information
- Distribution Of Types
- Mexico (Northern America)