United States, Minnesota, Pine, Pine County...Grindstone Lake, SW1/4 of the NW1/4 Sec.16, Dell Grove Twp., T42N, R21W, ca. 8 mi due W of Sandstone. At Northwoods Audubon Center, located on the lake. 042N 21W 16
46.121966 -93.001853 +-969m.
Growing with B. dissectum f. dissectum and f. obliquum