Rhynchospora alba subsp. macra C.B.Clarke ex Britton 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. macra C.B.Clarke ex Britton Rhynchospora alba var. macra C.B.Clarke, 1892 Rhynchospora alba subsp. macra C.B.Clarke Rhynchospora alba subsp. macra C.B.Clarke ex Britton