External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:211964-1
- Publication
- Proceedings of the Academy of Natural Sciences of Philadelphia. Philadelphia, PA
- Collation
- 15: 65
- Date of Publication
- 1863 publ 1864
- Family as entered in IPNI
- Asteraceae