Photo of a bull thistle flowerhead.

    Bull Thistle

    Cirsium vulgare
    fork and knife icon

    Edible

    Photo of Canada thistle flowers

    Canada Thistle

    Cirsium arvense
    invasive icon

    Invasive

    Photo of a chicory plant.

    Chicory

    Cichorium intybus
    fork and knife icon

    Edible

    Photo of field milkwort flowerheads.

    Field Milkwort

    Polygala sanguinea
    Photo of a musk thistle blooming flower head.

    Musk Thistle (Nodding Thistle)

    Carduus nutans
    invasive icon

    Invasive

    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible