Ridge and Valley Calcareous Spring Marsh (Arrow-Arum - Water Smartweed Type) – CEGL006244
Groundwater-flooded depression dominated by common three-square (Schoenoplectus pungens var. pungens), baltic rush (Juncus balticus var. littoralis), and other graminoids; floodplain of Long Marsh Run, in the northern Shenandoah Valley near Wickliffe, Clarke County. © DCR-DNH, Gary P. Fleming