United States, Minnesota, Renville, W side of Morton, Morton Outcrop complex. SW1/4 NW1/4 NW1/4 of Section 31 (Birch Cooley 31)
on and around granite gneiss outcrops, with Bulbostylis capillaris, Polygala sanguinea, Lechea intermedia, Scutellaria leonardii.; On terrace of rock quarry.