External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:273238-2
- Publication
- Phytologia; Designed to Expedite Botanical Publication. New York
- Collation
- 64: 205, fig
- Family as entered in IPNI
- Asteraceae
Type Information
- Collector Team
- C.W.Pennington 1
- Type Herbaria
- holotype TEX
- Distribution Of Types
- Mexico (Northern America)