Zerna tectorum (L.) Panz. ex B.D.Jacks. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Bromus species Bromus tectorum Name Homonyms Zerna tectorum (L.) Panz. Zerna tectorum (L.) Panz. ex B.D.Jacks. Zerna tectorum Nevski Zerna tectorum (L.) Lindm.