This name is a synonym of Astrephia chaerophylloides (Sm.) DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33500337) with original publication details: Syn. Pl. 1: 37 1805.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:859679-1.
This name was in version 1 of The Plant List, record tro-33500337.