United States, Minnesota, Polk, Polk County...On the N side of Hwy.45, about 12 1/2 mi. E-SE of Crookston. Sec. 19 T 149N R 44W;Pembina Trail Preserve Scientific Natural Area;149N;44W;19
47.709227 -96.341088 +-800m. WGS84
Calcareous fen at the base of an ancient beach ridge. With Carex tetanica, C. buxbaumii, C. lanuginosa, Zizia aurea.