External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:6968-2
- Publication
- Phytologia; Designed to Expedite Botanical Publication. New York
- Collation
- 24: 94
- Family as entered in IPNI
- Asteraceae
Type Information
- Collector Team
- E.W.Nelson 2251
- Type Herbaria
- holotype US
- Distribution Of Types
- Guerrero (Mexico, Northern America)