Calyptrostylis asperula subsp. minor Nees Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Rhynchospora species Rhynchospora corymbosa Name Homonyms Calyptrostylis asperula var. minor Nees Calyptrostylis asperula subsp. minor Nees