Photo of dense stand of prairie blazing star or gayfeather at Pawnee Prairie

    Prairie Blazing Star (Gayfeather)

    Liatris pycnostachya
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    Edible

    Photo of common gerardia plant with flowers

    Slender False Foxglove

    Agalinis tenuifolia (formerly Gerardia tenuifolia)
    Photo of smooth spiderwort flowers being visited by beelike syrphid flies

    Smooth Spiderwort

    Tradescantia ohiensis
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    Edible