Cyperus polystachyos var. thouarsii (Kunth) C.B.Clarke Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus polystachyos Name Homonyms Cyperus polystachyos var. thouarsii (Kunth) Kük. Cyperus polystachyos var. thouarsii (Kunth) C.B.Clarke