Carex nigricans Dewey Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Amer. J. Sci. Arts 29: 249 (1836) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex dioica Name Homonyms Carex nigricans C.A.Mey. Carex nigricans Kit. Carex nigricans Dewey Carex nigricans Hombr. ex Boott Carex nigricans Hombr.