Agrostis elongata var. flaccida Roem. & Schult. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Sporobolus species Sporobolus diandrus Name Homonyms Agrostis elongata var. flaccida Roth Agrostis elongata var. flaccida Roem. & Schult.