Bidens involucrata var. retrorsa Sherff is a synonym of Bidens polylepis S.F.Blake

This name is a synonym of Bidens polylepis S.F.Blake.

The record derives from TICA which reports it as a synonym (record 52AEDA08-9968-4F58-AA33-AEE4082183BA) with original publication details: Bot. Gaz. 80 386 1925.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:32495-2.