Juncus arcticusJuncus arcticus, called the arctic rush, is a species of flowering plant in the family Juncaceae, native to the subarctic and subalpine northern hemisphere. It is typically found in wetland and riparian habitats.SubtaxaThe following subspecies are currently accepted:Juncus arcticus subsp. alaskanus Hultén – Alaska, northwest CanadaJuncus arcticus subsp. arcticusJuncus arcticus subsp. grubovii Novikov, Kirschner & Snogerup – Mongolia, Tuva, Yakutia