Juncus atratus Fr., 1842 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Juncaceae genus Juncus species Juncus anceps Name Homonyms Juncus atratus Krock. Juncus atratus Fr., 1842 Juncus atratus Lam. Juncus atratus Besser, 1809