Poa arctica var. caespitans (Simmons ex Nannf.) B.Boivin Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa tolmatchewii Name Homonyms Poa arctica subsp. caespitans Nannf. Poa arctica var. caespitans (Nannf.) Hyl. Poa arctica var. caespitans (Simmons ex Nannf.) B.Boivin Poa arctica var. caespitans (Simmons ex Nannf.) Nannf.