Bidens polylepis f. retrorsa (Sherff) Mohlenbr.
, Ill. Fl. Illinois, Fl. Pl. Asteraceae 2: 216 (2019).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77201693-1
- Species Name
- Bidens polylepis S.F.Blake, Proc. Biol. Soc. Washington 35: 78 (1922).
- Publication
- Illustrated Flora of Illinois. Flowering Plants: Asteraceae. Carbondlae, IL
- Collation
- 2: 216
- Family as entered in IPNI
- Asteraceae