Carex extensa C.A.Mey. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Verz. Pfl. Casp. Meer.: 31 (1831) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex diluta Name Homonyms Carex extensa Gooden. Carex extensa C.A.Mey.