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