Andropogon tortus Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Trachypogon species Trachypogon spicatus Name Homonyms Andropogon tortus Willd. ex Steud. Andropogon tortus Clairv., 1811 Andropogon tortus Willd.