United States, Minnesota, Sibley, Sibley Co.; Ca. 2 mi. SW of Henderson, Rush River State Wayside Park; E1/2 SE1/4 Sec. 15 T112N R26W (Henderson 15);;112N;26W;15
44.507469 -93.939321 +-800m. WGS84
Dry prairie on W-facing slope, with Bouteloua curtipendula, B. hirsuta, Muhlenbergia cuspidata, Linum sulcatum, Asclepias viridiflora.