United States, Minnesota, Cass, Along the Paul Bunyan State Trail (old Burlington Northern Railroad) . 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. Occasional. On sand and cobble beach along wave-washed shoreline. Full sun. Associates include Cyperus squarrosus, C. bipartitus, Eleocharis acicularis, E. palustris, Carex viridula, Dichanthelium acuminatum, Agrostis scabra, Juncus pelocarpus, Lobelia kalmii, Erechtites hieraciifolius, Bidens cernua, B. tripartita, Conyza canadensis.