United States, Minnesota, Anoka, On the N side of Constance Blvd. 0.35 mi W of its jnc. with Xylite St. T32N R23W NW1/4 NE1/4 sec.16.;;032N;23W;16
45.267478 -93.211538 +-240m.
in a wet open bog dominated by Chamaedaphine calyculata; in 1 ft of water in assoc. with Carex oligosperma, C. scoparia, C. lanuginosa, Scutellaria epilobiifolia and Eriophorum angustifolium.