External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:211827-1
- Publication
- The American Botanist and Florist: including lessons in the structure, life, and growth of plants, together with a simple analytical flora, descriptive of the native and cultivated plants growing in the Atlantic division of the American Union. New York and Chicago
- Collation
- 4: 182
- Family as entered in IPNI
- Asteraceae