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