Rubia cordifolia subsp. sylvatica Maxim. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Rubia species Rubia alata Name Homonyms Rubia cordifolia var. sylvatica Maxim. Rubia cordifolia f. sylvatica (Maxim.) Regel Rubia cordifolia subsp. sylvatica Maxim.