Cyperus angustatus Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus angustatus Name Homonyms Cyperus angustatus R.Br. Cyperus angustatus Willd. ex Kunth, 1837 Cyperus angustatus Thunb. ex Spreng. & Link Cyperus angustatus Benth., 1878 Cyperus angustatus Thunb. Cyperus angustatus Willd.