Erythraea pulchella var. simplex Becker Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Gentianaceae genus Centaurium species Centaurium pulchellum Name Homonyms Erythraea pulchella var. simplex Becker Erythraea pulchella var. simplex Hartm.