United States, Minnesota, Stearns, Stearns County ... Along the Sauk River 1-1/4 miles northwest of St. Martin ... T124N R32W NW1/4 of SE1/4 of SE1/4 Sec27;;124N;32W;27
45.515211 -94.687717 +-969m.
riverbank in shade of open-grown Quercus macrocarpa. Lower part of rather steep, 20 foot, southeast-facing slope. Several feet above stream level. Silty soil. Associates include Scutellaria lateriflora, Amphicarpaea bracteata, Parthenocissus inserta, Toxicodendron rydbergii, Vitis riparia, Zanthoxylum americanum, Viburnum lentago.