Bromus altissimus (Shear) Hitchc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bromus species Bromus latiglumis Name Homonyms Bromus altissimus (Weber), 1813 Bromus altissimus Gilib., 1792 Bromus altissimus (Weber), 1780 Bromus altissimus (Shear) Hitchc. Bromus altissimus Weber Bromus altissimus Pursh