Agrostis elongata (R.Br.) Roth ex Roem. & Schult. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Sporobolus species Sporobolus elongatus Name Homonyms Agrostis elongata Lam. Agrostis elongata (R.Br.) Roth Agrostis elongata (R.Br.) Roth ex Roem. & Schult.