United States, Minnesota, Houston, Pool #8, Island 23, large island E side of main channel; Mississippi River mile #700.7; T104N R4W Sec. 2.;Upper Mississippi National Wildlife Refuge;104N;04W;02
43.839148 -91.286754 +-969m.
Specimen growing in moinst sand of open area surrounded by alluvial forest, dominated by Acer saccharinum.