United States, Minnesota, Big Stone, Ca. 14 mi. NW of Ortonville; N of Rte. 7. N of morainic hill overlooking Big Stone Lake. NW1/4 SW1/4 Sec. 35, T123N, R Ca. 14 mi. NW of Ortonville; N of Rte. 7. N of morainic hill overlooking Big Stone Lake. NW1/4 SW1/4 Sec. 35, T123N, R48W (Foster Twp.). 123N 48W 35
45.421214 -96.646948 +-800m. WGS84
In disturbed ground. With Melilotus alba, Lepidium densiflorum, Medicago lupulina.