Xyris rigida Chapm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Xyridaceae genus Xyris species Xyris laxifolia Name Homonyms Xyris rigida Kunth Xyris rigida Chapm. ex Ries Xyris rigida Chapm.