Bromus hordeaceus subsp. palustris Petr. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bromus species Bromus hordeaceus Name Homonyms Bromus hordeaceus var. palustris Petr. Bromus hordeaceus subsp. palustris Petr.