- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:236761-1
- Publication
- Botanical Gazette; Paper of Botanical Notes. Crawfordsville, IN, Chicago, IL
- Collation
- 8: 256
- Family as entered in IPNI
- Asteraceae
Nomenclatural Notes
Status: nom. illeg. nom. superfl. for P. exilis (A. Gray) A. Gray (1873).