Illustration of American holly leaves, flowers, fruit.

    American Holly

    Ilex opaca
    Callery Pear

    Callery Pear (Bradford Pear)

    Pyrus calleryana
    invasive icon

    Invasive

    Illustration of common buckthorn leaves and fruits.

    Common Buckthorn

    Rhamnus cathartica
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Photo of hawthorn trees blooming on lawn of Missouri state capitol

    Hawthorns

    Various species in the genus Crataegus
    Illustration of multiflora rose, leaves, flowers, fruits.

    Multiflora Rose

    Rosa multiflora
    invasive icon

    Invasive

    Illustration of Osage orange flowers and fruit.

    Osage Orange

    Maclura pomifera
    Illustration of prairie crab apple leaves, flowers, fruits.

    Prairie Crab Apple

    Malus ioensis
    Illustration of Russian olive leaves, flowers, fruits, twigs, thorns.

    Russian Olive

    Elaeagnus angustifolia
    invasive icon

    Invasive

    Illustration of wild plum leaves, flowers, fruits.

    Wild Plum

    Prunus americana
    fork and knife icon

    Edible