Diodia virginiana subsp. attenuata Fernald Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Diodia species Diodia virginiana Name Homonyms Diodia virginiana var. attenuata Fernald Diodia virginiana subsp. attenuata Fernald