The record derives from TICA
(data supplied on )
which reports it as a synonym (record
8F1755D1-BADB-463C-9337-89BD672DA1B3) with original publication details: "P.J.F. Schur, Enum. Pl. Transsilv.. 1866" 372 1866.
This name record (from TICA) 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 Barkhausia setosa in version 1 of The Plant List.