Carex atrofusca f. atrofusca Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex atrofusca Name Homonyms Carex atrofusca subsp. atrofusca Carex atrofusca var. atrofusca Carex atrofusca f. atrofusca