Juncus prismatocarpus subsp. viviparus Koidz. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Juncaceae genus Juncus species Juncus prismatocarpus Name Homonyms Juncus prismatocarpus subsp. viviparus Koidz.