Polemonium viscosum var. eximium (Greene) E.Murray Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ericales family Polemoniaceae genus Polemonium species Polemonium eximium Name Homonyms Polemonium viscosum var. eximium (Greene) A.E.Murray Polemonium viscosum subsp. eximium (Greene) A.E.Murray