Hordeum vulgare subsp. trifurcatum (Schlecht.) Alef. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Hordeum species Hordeum aegiceras Name Homonyms Hordeum vulgare var. trifurcatum (Schltdl.) Alef. Hordeum vulgare subsp. trifurcatum (Schlecht.) Alef.