United States, Minnesota, Cass, Cass County...located 1 mile west of the Gull River in a narrow, flat strip between the railroad tracks and highway 210...T 133N R 29W NE1/4 of NW1/4 of Sec 18. 133N 29W 18
46.3332173 -94.3800167 +-800m.
Plants growing in a dry, open, sandy area with gopher mounds, near a border of Quercus macrocarpa. Associated waith Lithospermum canescens, Oenothera biennis, Verbascum thapsus.