This name is a synonym of Jacobaea paludosa subsp. lanata (Holub) B.Nord. & Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8FCCBBF5-297E-4686-9274-B974CA89FA82) with original publication details: 192 1834.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:247892-1.
This name was in version 1 of The Plant List, record gcc-114269, and has not been changed.