Carex melanostachya M.Bieb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex melanostachya Name Homonyms Carex melanostachya M.Bieb. ex Willd. Carex melanostachya M.Bieb.