Prairie coneflower (Ratibida columnifera)
Member of the Aster Family with alternate leaves divided into narrow lobes. Flowering heads with bright yellow ray flowers that are usually reflexed and an elongate, columnar disk 1/2 to 1 1/2 inches high with small brown flowers. About 1 to 2 feet tall. Dry prairies. Blooms June-September. Also known as Mexican hat.