Erythraea mexicana Griseb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Gentianaceae genus Zeltnera species Zeltnera madrensis Name Homonyms Erythraea mexicana Griseb. ex Hook. & Arn. Erythraea mexicana Griseb.