Rhynchospora rigida 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 rigida (Kunth) Boeckeler Rhynchospora rigida Spreng. Rhynchospora rigida Schrad. ex Kunth Rhynchospora rigida Schrad.