External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:1013177-1
- Publication
- Transactions of the Academy of Science of Saint Louis. St. Louis, MO
- Collation
- 12(5): 45, 55 (1902):
- Date of Publication
- 1902
- Family as entered in IPNI
- Asteraceae