Carex atrata subsp. aterrima Dataset NCBI Taxonomy Classification kingdom Viridiplantae phylum Streptophyta class Magnoliopsida order Poales family Cyperaceae genus Carex species Carex aterrima Name Homonyms Carex atrata subsp. aterrima Carex atrata subsp. aterrima (Hoppe) Hartm., 1846