Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of eastern prickly pear plant with flowers

    Eastern Prickly Pear

    Opuntia humifusa (formerly O. compressa)
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    Edible

    Photo of rattlesnake master flower heads side view

    Rattlesnake Master

    Eryngium yuccifolium
    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

    Yucca smalliana, Y. glauca, and Y. arkansana