Prenanthes serpentaria var. barbata (Torr. & A.Gray) A.Gray
, Syn. Fl. N. Amer. 1, pt. 2: 434 (1884).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:210020-2
- Publication
- Synoptical Flora of North America. New York
- Collation
- 1, pt. 2: 434
- Family as entered in IPNI
- Asteraceae