Juncus polycephalus D.Don, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Juncaceae genus Juncus species Juncus articulatus Name Homonyms Juncus polycephalus Michx. Juncus polycephalus D.Don, 1821 Juncus polycephalus Gay ex Laharpe Juncus polycephalus Don ex Hook. Juncus polycephalus Gay