United States, Minnesota, Dakota, Rosemount. In spring Lake, 558 m at 69° from the canoe launch off the Archery Trail in Lower Spring Lake Park Reserve. T115N R18W SW1/4 of SE1/4 of Sec. 16
44.763056 -92.980278
44°45'47"N,92°58'49"W;collector
Within a complex of islands, sandbars, and mudflats. Small island, elliptical in shape and approx. 30 m x 120 m with the long axis oriented WNW-ESE; water levels subject to constant fluctuation.
Eragrostic hypnoides, Lindernia dubia, Bidens cernua, Lythrum salicaria, Persicaria lapathifolia, Lemna cf. turionifera, Cyperus odoratus, Eleocharis cf. acicularis, Schoenoplectus tabermaemontani, Bacopa rotundifolia, Mimulus ringens, Sagittaria sp., and seedlings of Salix interior and Populus deltoides.