United States, Minnesota, Cass, Along the Paul Bunyan State Trail (old Burlington Northern Railroad), six miles north of Hackensack, six miles south of Walker. On the northeast shore of Portage Lake. E1/2 of NE1/4 of SW1/4 of section;;141N;31W;24
47.0155201 -94.5469405
47.0155201° N,94.5469405° W;collector
In strongly rolling forested moraine. Uncommon. On sand and cobble beach along wave-washed shoreline. Full sun. Associates include Cyperus strigosus, C. bipartitus, Eleocharis acicularis, E. palustris, Carex viridula, Dichanthelium acuminatum, Agrostis scabra, Juncus pelocarpus, Agalinus paupercula, Bidens cernua, B. tripartita, Ranunculus flammula, Lobelia kalmii, Conyza canadensis, Erechtites hieraciifolius.