United States, Minnesota, Wabasha, Zumbro Falls Woods Scientific & Natural Area. Along the Zumbro River in rugged terrain two miles southeast of Zumbro Falls.
44.2605316147 -92.4037770342
4900983N 547592E; T109N R13W sec8
245 meters
805 feet
Common on a large (~1/2-acre) sand/gravel bar. ~Level setting ~3-8 inches above the present water line, exposed in the past few weeks by receding river levels. Moist sand (on the downstream end of the bar and with a cap of small, rounded cobbles on upstream end). Co-dominant here with Eragrostis hypnoides. Mostly full sun. Prostrate growth form.