You selected Carex laxiflora var. leptonervia Fernald. This is a synonym for:

Accepted scientific name:
Carex leptonervia (Fernald) Fernald (accepted name) 1 literature reference for Carex leptonervia (Fernald) Fernald
Synonyms:
Carex blanda var. varians (L.H.Bailey) Burnham (synonym) 1 literature reference for Carex blanda var. varians (L.H.Bailey) Burnham
Carex laxiflora var. leptonervia Fernald (synonym) 1 literature reference for Carex laxiflora var. leptonervia Fernald
Carex laxiflora forma varians (L.H.Bailey) Kük. (synonym) 1 literature reference for Carex laxiflora forma varians (L.H.Bailey) Kük.
Carex laxiflora var. varians L.H.Bailey (synonym) 1 literature reference for Carex laxiflora var. varians L.H.Bailey
Carex varians (L.H.Bailey) Hay, Palmer & C.T.White (synonym) 1 literature reference for Carex varians (L.H.Bailey) Hay, Palmer & C.T.White
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Poales
Family Cyperaceae
Genus Carex
Distribution: E. Canada to NC. & E. U.S.A.
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=228114&repSynonym_id=-9998&name_id=228114&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:f1ce5308-29c1-102b-9a4a-00304854f820:ac2010