Pycreus polystachyos var. polystachyos Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus polystachyos Name Homonyms Pycreus polystachyos subsp. polystachyos Pycreus polystachyos var. polystachyos