Carex umbellata var. abdita W.Stone Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex umbellata Name Homonyms Carex umbellata subsp. abdita (E.P.Bicknell) W.Stone Carex umbellata var. abdita W.Stone