Illustration of black locust leaves and flowers.

    Black Locust

    Robinia pseudoacacia
    Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of a bull thistle flowerhead.

    Bull Thistle

    Cirsium vulgare
    fork and knife icon

    Edible

    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 common jimsonweed flower

    Common Jimsonweed

    Datura stramonium
    Poisonous Icon

    Poisonous

    Photo of hawthorn trees blooming on lawn of Missouri state capitol

    Hawthorns

    Various species in the genus Crataegus
    Illustration of honey locust leaves, thorns, fruit.

    Honey Locust

    Gleditsia triacanthos
    Photo of horse nettle flowers and leaves

    Horse Nettle

    Solanum carolinense
    Poisonous Icon

    Poisonous

    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

    Photo of cut-leaved teasel showing flowerhead and joined, cuplike leaves.

    Teasels

    Dipsacus fullonum and D. laciniatus
    invasive icon

    Invasive

    Illustration of wild plum leaves, flowers, fruits.

    Wild Plum

    Prunus americana
    fork and knife icon

    Edible

    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

    Yucca smalliana, Y. glauca, and Y. arkansana
    fork and knife icon

    Edible