This name is a synonym of Scirpus pallidus (Britton) Fernald.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 338342) with original publication details: Svensk Bot. Tidskr. 53: 379 1959.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:230224-2.
This name was in version 1 of The Plant List, record kew-338342, and has not been changed.