Poa humillima var. exserta Hack. ex Buchtien Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Poa species Poa humillima Name Homonyms Poa humillima var. exserta Hack. Poa humillima var. exserta Hack. ex Buchtien