United States, Minnesota, Big Stone, ca 14 mi NW of Ortonville; N of Rte 7, N of moranic hill overlooking Big Stone lake, NW1/4 SW1/4 S35, T123N R48W (Foster ca 14 mi NW of Ortonville; N of Rte 7, N of moranic hill overlooking Big Stone lake, NW1/4 SW1/4 S35, T123N R48W (Foster Twp). 123N 48W 35
45.4212142 -96.6469477 +-800m.
disturbed ground with Amaranthus retroflexus, Lepidium densiflorum, Melilotus alba