Poa controversa Balansa Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Bull. Soc. Bot. France 21: 16 (1874) Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa longifolia Name Homonyms Poa controversa Balansa Poa controversa Steud.