Bromus agrarius var. diffusus Dumort. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bromus species Bromus commutatus Name Homonyms Bromus agrarius subsp. diffusus (Dumort.) K.Richt. Bromus agrarius var. diffusus (Dumort.) K.Richt. Bromus agrarius var. diffusus Dumort.