Carex ericetorum f. nigra Hülsen Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Cyperaceae genus Carex species Carex ericetorum Name Homonyms Carex ericetorum f. nigra Hülsen ex Asch. & Graebn. Carex ericetorum f. nigra Hülsen