Rhynchospora alba subsp. meridiana H.Pfeiff. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Rhynchospora species Rhynchospora alba Name Homonyms Rhynchospora alba var. meridiana H.Pfeiff. Rhynchospora alba subsp. meridiana H.Pfeiff.