External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:264044-2
- Family as entered in IPNI
- Asteraceae
Links
- Nomenclatural link
- Vernonia dura var. firmula (Mart. ex DC.) Baker, Fl. Bras. (Martius) 6(2): 34 (1873).
- Duplicate citation of
- Vernonia firmula Mart. ex DC., Prodr. [A. P. de Candolle] 5: 59 (1836).