This name is a synonym of Lamarckia aurea (L.) Moench.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25536634) with original publication details: Syst. Veg. 1: 296 1825.
This name was in version 1 of The Plant List, record tro-25536634, and has not been changed.