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Thorny

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    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

    Photo of Canada thistle flowers

    Canada Thistle

    Cirsium arvense
    invasive icon

    Invasive

    Photo of eastern prickly pear plant with flowers

    Eastern Prickly Pear

    Opuntia humifusa (formerly O. compressa)
    fork and knife icon

    Edible

    Photo of a musk thistle blooming flower head.

    Musk Thistle (Nodding Thistle)

    Carduus nutans
    invasive icon

    Invasive

    Photo of rattlesnake master flower heads side view

    Rattlesnake Master

    Eryngium yuccifolium
    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible

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

    Teasels

    Dipsacus fullonum and D. laciniatus
    invasive icon

    Invasive

    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

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

    Edible

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