United States, Minnesota, Cass, Cass County...Located 1 mi W of the Gull River...between the railroad tracks and highway 210...T133N R29W NE1/4 of NW1/4 of sec.18. 133N 29W 18
46.3332173 -94.3800167 +-800m.
In a dry, open, sandy area with gopher mounds, near a border of Quercus macrocarpa. Assoc. with Lithospermum canescens, Oenothera biennis, Verbascum thapsus.