Photo of Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Closeup of single flowerhead of a New World aster with yellow disk florets and lavender ray florets

    New World Asters

    Symphyotrichum spp. (formerly Aster spp.)
    Photo of dense stand of prairie blazing star or gayfeather at Pawnee Prairie

    Prairie Blazing Star (Gayfeather)

    Liatris pycnostachya
    fork and knife icon

    Edible