Illustration of common buckthorn leaves and fruits.

    Common Buckthorn

    Rhamnus cathartica
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Photo of a heavenly bamboo, nandina, plant growing in the woods.

    Heavenly Bamboo

    Nandina domestica
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Illustration of poison ivy leaves, flowers, fruits.

    Poison Ivy

    Toxicodendron radicans
    Poisonous Icon

    Poisonous

    Illustration of red-berried elderberry leaves, flowers, fruits

    Red-Berried Elderberry

    Sambucus pubens
    Poisonous Icon

    Poisonous

    exclamation mark

    Endangered