Oxyura DC. ex Lindl. Dataset GBIF Backbone Taxonomy Rank GENUS Published in Edwards's Bot. Reg. 22: t. 1850 (1836) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Layia Name Homonyms Oxyura Bonaparte, 1828 Oxyura DC., 1836 Oxyura Agassiz, 1846 Oxyura DC. ex Lindl.