Photo of pale corydalis leaves and yellow flowers

    Pale Corydalis

    Corydalis flavula
    Photo of southern wild senna showing a flower cluster and a few leaflets.

    Southern Wild Senna

    Senna marilandica (formerly Cassia marilandica)
    Photo of tick trefoil plant with flowers

    Tick Trefoils (Sticktights; Beggar's Lice)

    Desmodium spp. (17 species in Missouri)
    Photo of yellow wood sorrel plant showing flowers and leaves.

    Yellow Wood Sorrel

    Oxalis stricta
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    Edible