United States, Minnesota, Fillmore, Along the upper reaches of Diamond Creek (north fork) in rugged forested terrain four miles east-southeast of Whalan, 6.5 miles east of Lanesboro.
43.71342009817 -91.84409318287
4840693N 593119E; T103N R8W sec19
302 meters
990feet
Local on the narrow valley bottomland between steep, 120-foot bluffs. A loose to rather dense patch in degraded (past grazed) mesic forest, on an alluvial terrace just above the normal flood elevation of the creek. Shaded beneath Ulmus americana, Fraxinus nigra, Carya cordiformis, and Acer saccharum.
Additional associates include Hydrophyllum virginianum, Heracleum lanatum, Arctium minus, Cryptotaenia canadensis, Osmorhiza longistylis, Glechoma hederacea. Also occurring rather sporadically in degraded mesic hardwood forest on the adjacent north-facing bluff.