Photo of blue-eyed grass flower closeup

    Blue-Eyed Grass

    Sisyrinchium campestre
    Caucasian bluestem seed head

    Caucasian Bluestem

    Bothriochloa bladhii
    invasive icon

    Invasive

    Photo of a celestial lily, or prairie pleatleaf iris, in bloom.

    Celestial Lily

    Nemastylis geminiflora
    Photo of Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Photo of yellow bluestem plant

    Yellow Bluestem

    Bothriochloa ischaemum
    invasive icon

    Invasive