United States, Minnesota, Clearwater, Red Lake Indian Reservation; Fairly level forested terrain 10 miles north-northeast of Clearbrook. On the northwest side of Fourth Lake along Butcher Knife Creek.
47.82560592 -95.33754703
5299562N 325048E; T150N R37W sec12
364 meters
1195 feet
Occasional in wet ash forest dominated by Fraxinus nigra. Patchy to fairly dense understory of Fraxinus nigra, Ulmus americana and Quercus rubra. Mostly in full shade. Forming clumps. Soil saturated just below surface; decomposed peat over very fine sand.
Additional associates include Carex gracillima, C. deweyana, C. radiata, C. intumescens, Viola pallens, Stellaria longifolia, Smilacina stellata, Geum rivale, Lysimachia ciliata, Equisetum pratense, E. arvense, Anemone canadense, Rubus pubescens, Ribes americana, Toxicodendron rydbergii.