Poa atrovirens Willd. ex Spreng. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Eragrostis species Eragrostis nigricans Name Homonyms Poa atrovirens Nees Poa atrovirens Willd. ex Spreng. Poa atrovirens Desf. Poa atrovirens Willd.