Cyperus nudus subsp. flaccidior C.Presl Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus haspan Name Homonyms Cyperus nudus var. flaccidior J.Presl & C.Presl Cyperus nudus subsp. flaccidior C.Presl