Cynoglossum dubium Hochst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Boraginales family Boraginaceae genus Paracynoglossum species Paracynoglossum afrocaeruleum Name Homonyms Cynoglossum dubium Hochst. ex Brand Cynoglossum dubium (Fisch. & C.A.Mey.) Greuter & Stier Cynoglossum dubium Hochst.