Xyris americana Griseb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Xyridaceae genus Xyris species Xyris grisebachii Name Homonyms Xyris americana Vahl Xyris americana Aubl. Xyris americana Griseb. Xyris americana Poepp. ex Kunth, 1843 Xyris americana Poepp.