All leaves basal; style expanded at tip; flrs white; lf blades cordate, ovate, longer than wide, glabrous. https://michiganflora.net/genus.aspx?id=viola
Edited: possible Richardson's Sedge (Carex richardsonii). I initially suggested Outside my experience: Long-stalked Sedge (Carex pedunculata), roadside of disturbed area, limestone basement, Limerick Forest, Craig Road, ON, May 5/22
Possible Cypress Spurge (Euphorbia cyparissias), yellow, Gull River limestone basement, Burnt Lands Provincial Park, ON, May 1/22
Poor image: Common Bladderwort (Utricularia macrorhiza), yellow, aquatic, Round Lake, Logos Land, Cobden, ON, July 8/22
Growing in saline mineral soil within 2 m of saline Big Manitou Lake, Big Manitou Regional Park SK, May 2723.
Growing on saline substrate adjacent to saline Big Manitou Lake, Big Manitou Rehional Park, Marsden SK, May 27/23
Growing on a sand plain, on the floor of a meltwater channel close to Big Manitou Lake, Alberta.