Juncus articulatus
 Juncus articulatus is a species of rush known by the common name Jointleaf Rush and more ambiguously as Jointed Rush which can also refer to J. kraussii from Australia . It is native to Eurasia and much of Canada and the United States. It grows in moist areas such as wet sand and thrives in calcareous soils. This is a perennial herb producing a mainly erect stem from a short rhizome. The stem may root at nodes and it generally has one or more cylindrical leaves up to 10 centimeters long.