Carex caespitosa var. goodenowii (J.Gay) Fiori & Paol. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex nigra Name Homonyms Carex caespitosa var. goodenowii (J.Gay) Fiori & Paol.