United States, Minnesota, Mahnomen, Mahnomen Co.; Nelson Prairie WPA. Plants growing on E side of railroad tracks; T146N R42W SE1/4 of NE1/4 of sec 10;Nelson Prairie / White Earth Indian Reservation;146N;42W;10
47.477586 -95.98676 +-969m.
Small dry prairie remnant at edge of railroad tracks and farm field. Soil dry, very light sand, relatively open; associated with Silene vulgaris, Schizachyrium scoparium var. frequens, Andropogon etc.