You selected Uncinia purpurata var. subcaespitosa Kük. This is a synonym for:

Accepted scientific name:
Uncinia affinis (Colenso ex C.B.Clarke) Hamlin (accepted name) 1 literature reference for Uncinia affinis (Colenso ex C.B.Clarke) Hamlin
Synonyms:
Uncinia purpurata var. subcaespitosa Kük. (synonym) 1 literature reference for Uncinia purpurata var. subcaespitosa Kük.
Uncinia riparia var. affinis Colenso ex C.B.Clarke (synonym) 1 literature reference for Uncinia riparia var. affinis Colenso ex C.B.Clarke
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Liliopsida
Order Poales
Family Cyperaceae
Genus Uncinia
Distribution: New Zealand
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=271106&repSynonym_id=-9998&name_id=271106&status=true
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:e3f1922c-29c1-102b-9a4a-00304854f820:ac2010