Photo of Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Photo of several reed canary grass plants with flowering heads

    Reed Canary Grass

    Phalaris arundinacea
    invasive icon

    Invasive

    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.