Galium pumilum subsp. septentrionale Sterner Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Galium species Galium sterneri Name Homonyms Galium pumilum subsp. septentrionale Sterner Galium pumilum subsp. septentrionale Sterner ex Hyl.