Galium palustre subsp. caespitosum (G.Mey.) Oberd. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Galium species Galium palustre Name Homonyms Galium palustre subsp. caespitosum (G.Mey.) Oberd.