Agropyron cristatum f. pectiniforme H.L.Yang Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Agropyron species Agropyron cristatum Name Homonyms Agropyron cristatum f. pectiniforme Bukhteeva Agropyron cristatum var. pectiniforme H.L.Yang Agropyron cristatum var. pectiniforme (Steud.) Bukhteeva, 1988