Empetrum nigrum f. nigrum Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ericales family Ericaceae genus Empetrum species Empetrum nigrum Name Homonyms Empetrum nigrum subsp. nigrum Empetrum nigrum var. nigrum Empetrum nigrum f. nigrum