Cyperus difformis subsp. maximus C.B.Clarke Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus difformis Name Homonyms Cyperus difformis f. maximus C.B.Clarke Cyperus difformis subsp. maximus C.B.Clarke