Bromus purgans subsp. glabriflorus Wiegand 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 purgans f. glabriflorus Wiegand Bromus purgans subsp. glabriflorus Wiegand