Cyperus polystachyus var. cleaveri (Torr.) C.B.Clarke Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus filicinus Name Homonyms Cyperus polystachyus f. cleaveri (Torr.) Kük. Cyperus polystachyus var. cleaveri (Torr.) C.B.Clarke