Bromus hordeaceus subsp. contractus (Lange) Asch. & Graebn. 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. contractus (Lange) Jahand. & Maire, 1931 Bromus hordeaceus var. contractus (Lange) Asch. & Graebn. Bromus hordeaceus subsp. contractus (Lange) Asch. & Graebn.