Aegonychon purpurea-caeruleum (L.) Holub Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Boraginales family Boraginaceae genus Aegonychon species Aegonychon purpurocaeruleum Name Homonyms Aegonychon purpurea-caeruleum (L.) Holub