Poa duriuscula Willd. ex Spreng. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Syst. Veg., 1: 339 (1824) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa supina Name Homonyms Poa duriuscula Willd. ex Spreng. Poa duriuscula Willd.