Rhynchospora glauca subsp. ustilaginosa Nees Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Rhynchospora species Rhynchospora brownii Name Homonyms Rhynchospora glauca var. ustilaginosa Nees Rhynchospora glauca subsp. ustilaginosa Nees