Photo of American feverfew flower cluster.

    American Feverfew

    Parthenium integrifolium
    Photo of black mustard flower cluster

    Black Mustard

    Brassica nigra
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    Edible

    Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of Carolina false dandelion flowerhead.

    Carolina False Dandelion

    Pyrrhopappus carolinianus
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    Edible

    Photo of Missouri evening primrose flower with river in distance

    Missouri Evening Primrose

    Oenothera macrocarpa (formerly O. missouriensis)
    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of showy evening primrose plant with flowers

    Showy Evening Primrose

    Oenothera speciosa
    Photo of white avens flower and upper stem leaves.
    Photo of woollen breeches flower cluster

    Woollen Breeches (Great Waterleaf)

    Hydrophyllum appendiculatum
    Photo of yellow violet plant with flower

    Yellow Violet

    Viola pubescens (formerly V. pensylvanica)
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    Edible