[Euthamia graminifolia] Flat Top Goldenrod, Flat-topped Bushy Goldenrod, Lance-leaved Goldenrod Asteraceae:
This Goldenrod grows up to 3 feet tall, with thin grass-like foliage. This species has flat-topped flower head with yellow flowers in late summer and fall. Much liked by butterflies and other insects. Prefers moist soils.
Native to Northern and eastern USA and southern Canada.