Rhynchospora effusa Schrad. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Rhynchospora species Rhynchospora brownii Name Homonyms Rhynchospora effusa Schrad. ex Nees Rhynchospora effusa Schrad.