United States, Minnesota, Anoka, Anoka Co. Allison Savanna. N1/2 of NE1/4 of Sec.2, T33N, R23W. Collected in SE section of the tract;Helen Allison Savanna Scientific Natural Area;033N;23W;2
45.377702 -93.173879 +-900m. WGS84
In well drained sandy soil, in full exposure to sun, assoc. with Poa pratensis, Koeleria cristata, Lithosperma caroliniense, and Solidago graminifolia.