Galium saxatile Herb.Johann. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Galium species Galium saxatile Name Homonyms Galium saxatile L. Galium saxatile Herb.Johann. ex Vest, 1821 Galium saxatile Herb.Johann.