Carex castanostachya K.Schum. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex castanostachya Name Homonyms Carex castanostachya K.Schum. ex Kük. Carex castanostachya K.Schum.