Euthamia graminifolia (Grass-leaved Goldenrod) Cut Bank - Low to Mid Slope they are perfectly paired for

they are perfectly paired for butterflies

Carex lurida (Sallow Sedge) is a wetland sedge commonly found in prairie swales

via Wikimedia CommonsPhoto 1:

Its flower color can vary widely from a white to a deeper blue-purple or even pink

Photo By: Midwest Groundcovers

Euthamia graminifolia (Grass-leaved Goldenrod) Cut Bank - Low to Mid Slope they are perfectly paired forEuthamia graminifolia (Grass leaved Goldenrod) flaunts flattened flowerheads of bright yellow, beginning in June above bright green grass like leaves. A striking late season nectar plant for the prairie or savanna. While it prefers medium to moist soils, it can be very drought tolerant once established. Beloved by pollinators for its late season bloom, it is the larval host of several moths and the seeds are eaten by songbirds. Sun Exposure Prairie