Bromus pubescens subsp. laeviglumis (Scribn. ex Shear) Swallen Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bromus species Bromus pubescens Name Homonyms Bromus pubescens var. laeviglumis (Scribn. ex Shear) Swallen Bromus pubescens subsp. laeviglumis (Scribn. ex Shear) Swallen