Cyperus rubiginosus var. cornutus (Andersson) B.L.Rob. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus elegans Name Homonyms Cyperus rubiginosus var. cornutus (Andersson) B.L.Rob. Cyperus rubiginosus var. cornutus (Andersson) Kük.