Poa tenuifolia Nutt. ex S.Watson Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa secunda Name Homonyms Poa tenuifolia A.Rich. Poa tenuifolia Buckley Poa tenuifolia Nutt. ex S.Watson Poa tenuifolia Nutt.