Poa laxa Thurb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa arctica Name Homonyms Poa laxa Haenke Poa laxa Wahlenb. Poa laxa Thurb. Poa laxa Lam. Poa laxa Trin. Poa laxa Willd., 1797