Carex atrofusca Sieber Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex atrofusca Name Homonyms Carex atrofusca Schkuhr Carex atrofusca Steven Carex atrofusca Sieber ex Kunth, 1837 Carex atrofusca Willd. ex Steud. Carex atrofusca Sieber Carex atrofusca Willd.