United States, Minnesota, Anoka, Anoka Co. Allison Savanna. N1/2 of NE1/4 of Sec.2, T33N, R23W. Collected in slough meadow in E central portion of tract.;Helen Allison Savanna Scientific Natural Area;033N;23W;2
45.377702 -93.173879 +-900m. WGS84
Slough meadow. In full exposure to sun. Assoc. with Spartina pectinata.