Juncus congestus Schousb. ex Buchenau Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Juncaceae genus Juncus species Juncus bufonius Name Homonyms Juncus congestus Thuill. Juncus congestus Nees, 1815 Juncus congestus S.Watson Juncus congestus Schousb. ex Buchenau Juncus congestus Schousb.