Photo of Chinese yam showing leaves and bulbils

    Chinese Yam

    Dioscorea oppositifolia (sometimes called D. batatas)
    invasive icon

    Invasive

    Photo of crown vetch, closeup of a flower cluster.

    Crown Vetch

    Securigera varia (formerly Coronilla varia)
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Photo of hedge bindweed flowers

    Hedge Bindweed

    Calystegia sepium (also Convolvulus sepium)
    Photo of Japanese knotweed

    Japanese Knotweed

    Fallopia japonica
    invasive icon

    Invasive

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae