This name is a synonym of Carex × candrianii Kneuck..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 230626) with original publication details: Verh. K. K. Zool.-Bot. Ges. Wien 57: 236 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:302074-1.
This name was in version 1 of The Plant List, record kew-230626.