United States, Minnesota, Roseau, Lost River State Forest. Roseau County...on the south side of Marvin Lake, about 1.25 miles south of the international boundary (Minnesota-Manitoba), in Lost River State Forest...T 164N R 37W SW1/4 of NW1/4 of Sec. 33. 164N 37W 33
48.985 -95.4316667
Rich fen (sedge meadow) dominated by Carex lasiocarpa var. americana. In saturated peat, ph 6.9. Associated with Carex interior, C. livida var. radicaulis, Salix maccalliana.