External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:60023011-3
- Publication
- A Sketch of the Botany of South-Carolina and Georgia
- Collation
- 2: 323
- Family as entered in IPNI
- Asteraceae
Type Information
- Type Name
- P. pycnostachyum (Michaux) S. Elliott (Conyza pycnostachya Michaux, P. undulatum C. Mohr, nom. illeg., Gnaphalium undulatum T. Walter (non Linnaeus))
Links
- Duplicate citation of
- Pterocaulon Elliott, Sketch Bot. S. Carolina [Elliott] 2: 323 (1823).