United States, Minnesota, Morrison, MORRISON COUNTY ... Mississippi River just upstream from the Royalton Sportsman's Club landing; 1/2 mile upstream from the County Road 26 bridge; two miles west of Royalton ... T39N R32W N1/2 of SW1/4 of NW1/4 Sec.33 (slightly irregular section). 039N 32W 33
45.829439 -94.335437 +-969m.
On a fairly extensive gravel bar exposed by typical low, late summer flow. Substrate is gravel and cobbles up to 8 inches in diameter, though mostly <4 inches. Plants growing 2 - 12 inches above current water level. Full sun. Associated species include Cyperus squarrosus, Eleocharis acicularis, Veronica catenata, Amaranthus utberculatus, Polygonum lapathifolium.