United States, Minnesota, Marshall, Marshall County...Old Mill State Park about 4 mi E-NE of Alma...Middle River...T156N R46W SW1/4 of NE1/4 of Sec 4;Old Mill State Park;156N;46W;04
48.3655556 -96.5722222
Growing on exposed, sandy bank of [river]. Associated with Plantago major, Scirpus pallidus, Setaria pumila.