Photo of Chinese yam showing leaves and bulbils

    Chinese Yam

    Dioscorea oppositifolia (sometimes called D. batatas)
    invasive icon

    Invasive

    Photo of false aloe leaves in basal rosettes.

    False Aloe

    Manfreda virginica (formerly Agave virginica)
    Photo of a giant ragweed plant.

    Giant Ragweed

    Ambrosia trifida
    Photo of green dragon plant showing flower and leaves.

    Green Dragon

    Arisaema dracontium
    Poisonous Icon

    Poisonous

    Photo of Japanese knotweed

    Japanese Knotweed

    Fallopia japonica
    invasive icon

    Invasive

    Photo of prairie alum root flower stalk with flowers

    Prairie Alum Root

    Heuchera richardsonii
    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

    Yucca smalliana, Y. glauca, and Y. arkansana