You selected Carex pediformis var. obliqua Turcz. This is a synonym for:

Accepted scientific name:
Carex umbrosa subsp. sabynensis (Less. ex Kunth) Kük. (accepted name) 1 literature reference for Carex umbrosa subsp. sabynensis (Less. ex Kunth) Kük.
Synonyms:
Carex brenneri Christ ex Scheutz (synonym) 1 literature reference for Carex brenneri Christ ex Scheutz
Carex eriandrolepis H.Lév. (synonym) 1 literature reference for Carex eriandrolepis H.Lév.
Carex kamikawensis Franch. (synonym) 1 literature reference for Carex kamikawensis Franch.
Carex pediformis var. caespitosa F.Schmidt (synonym) 1 literature reference for Carex pediformis var. caespitosa F.Schmidt
Carex pediformis var. obliqua Turcz. (synonym) 1 literature reference for Carex pediformis var. obliqua Turcz.
Carex sabynensis Less. ex Kunth (synonym) 1 literature reference for Carex sabynensis Less. ex Kunth
Carex sabynensis var. laxior Trautv. (synonym) 1 literature reference for Carex sabynensis var. laxior Trautv.
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Poales
Family Cyperaceae
Genus Carex
Species Carex umbrosa
Distribution: European Russia (Ural'skiy Chrebet) to Japan, Caucasus
Additional data: -
Source database: World Checklist of Selected Plant Families, 27 Nov 2009
Latest taxonomic scrutiny: Govaerts R., 21-Jun-2005
Online resource: http://apps.kew.org/wcsp/namedetail.do?accepted_id=231806&repSynonym_id=-9998&name_id=231806&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:26021894-60a7-102d-be47-00304854f810:ac2010