Poa debilis Thuill. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Env. Paris, ed. 2: 43 (1799) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa nemoralis Name Homonyms Poa debilis Thuill. Poa debilis Torr. Poa debilis V.N.Vassil.