Helopus polystachys (Kunth) Trin. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Urochloa species Urochloa polystachya Name Homonyms Helopus polystachys (Kunth) Trin. ex Steud. Helopus polystachys (Kunth) Trin.