Bromus tectorum var. grandiflorus Hack. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bromus species Bromus moeszii Name Homonyms Bromus tectorum var. grandiflorus Hack. ex O.Fedtsch. Bromus tectorum var. grandiflorus Hack.