This name is a synonym of Sphagneticola brachycarpa (Baker) Pruski.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 51BFB711-6573-45A8-B225-0046611EA13C).
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 Wedelia pilosa in version 1 of The Plant List.