Elymus secaliformis Trin. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Psathyrostachys species Psathyrostachys fragilis Name Homonyms Elymus secaliformis Trin. ex Steud. Elymus secaliformis Trin.