Juncus arcuatus Hook. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in in Scoresb. Journ. Greenl. 410. Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Juncaceae genus Juncus species Juncus arcuatus Name Homonyms Juncus arcuatus Wahlenb. Juncus arcuatus Hook.