External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:273248-2
- Publication
- Phytologia; Designed to Expedite Botanical Publication. New York
- Collation
- 69(1): 22
- Date of Publication
- Jul 1990
- Family as entered in IPNI
- Asteraceae
Type Information
- Collector Team
- R.E.Ballard,T.E.Melchert, C.R.Hart 71-94
- Type Herbaria
- holotype TEX
- Distribution Of Types
- Guanajuato (Mexico, Northern America)