The record derives from Tropicos
(data supplied on )
which reports it as a synonym (record
13032938) with original publication details: Nova Acta Acad. Sci. Imp. Petrop. Hist. Acad. 10: 373, pl. 8 1797.
Full publication details for this name can be found in IPNI:
This name record (from Tropicos) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Sophora argentea in version 1 of The Plant List.