Cyperus infirmus Schrad. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus infirmus Name Homonyms Cyperus infirmus Boeckeler Cyperus infirmus Schrad. ex Nees, 1842 Cyperus infirmus Schrad.