Black-eyed Susan (Rudbeckia hirta) - Important to pollinators, especially butterflies. This plant 1 to 2 feet tall and displays 2-3 inch yellow blooms in the late summer and early fall.
Elmleaf Goldenrod (Solidago ulmifolia) - 3-6 ft stalks that bloom with golden-yellow vase-shaped flower clusters from summer to fall. Attracts butterflies, bees, birds. Small wildlife feeds on the thin, coursely toothed foliage.
Prostrate ticktrefoil (Desmodium rotundifolium) - also known as beggar lice or tick clover. Small purple, pink, or white flowers typically bloom late summer and early fall.