Hordeum pusillum subsp. subfastigiatum (Döll) Hauman Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Hordeum species Hordeum euclaston Name Homonyms Hordeum pusillum var. subfastigiatum Hauman, 1916 Hordeum pusillum subsp. subfastigiatum (Döll) Hauman