This name is a synonym of Eriophorum angustifolium Honck..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 244551) with original publication details: Engl. Bot. t. 2402 1812.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:307365-1.
This name was in version 1 of The Plant List, record kew-244551.