Cyperus diffusus subsp. macrostachyus Boeck. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Cyperus species Cyperus diffusus Name Homonyms Cyperus diffusus subsp. macrostachyus (Boeckeler) T.Koyama Cyperus diffusus var. macrostachyus Boeckeler Cyperus diffusus subsp. macrostachyus Boeck.