Photo of autumn sneezeweed flowerheads, closeup.

    Autumn Sneezeweed

    Helenium autumnale
    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 celandine poppy plant and flowers

    Celandine Poppy (Wood Poppy)

    Stylophorum diphyllum
    Photo of a chicory plant.

    Chicory

    Cichorium intybus
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    Edible

    Photo of columbine flower closeup

    Columbine

    Aquilegia canadensis
    Poisonous Icon

    Poisonous

    Photo of common evening primrose, closeup of flowers.

    Common Evening Primrose

    Oenothera biennis
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    Edible

    Photo of common ground cherry flower

    Common Ground Cherry

    Physalis longifolia
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    Edible

    Photo of dwarf larkspur flowers with leaf

    Dwarf Larkspur

    Delphinium tricorne
    Poisonous Icon

    Poisonous

    Photo of field milkwort flowerheads.

    Field Milkwort

    Polygala sanguinea
    Photo of tall goldenrod plant with flowers

    Goldenrods

    Solidago spp. (23 species in Missouri)
    Photo of harbinger of spring flower clusters with coin to show size

    Harbinger of Spring

    Erigenia bulbosa
    Photo of hedge parsley flower clusters

    Hedge Parsley

    Torilis arvensis
    Photo of horse nettle flowers and leaves

    Horse Nettle

    Solanum carolinense
    Poisonous Icon

    Poisonous

    Photo of Missouri evening primrose flower with river in distance

    Missouri Evening Primrose

    Oenothera macrocarpa (formerly O. missouriensis)
    Photo of moth mullein flowers

    Moth Mullein

    Verbascum blattaria
    Photo of purple-headed sneezeweed flowerhead showing round, purplish disk.

    Purple-Headed Sneezeweed

    Helenium flexuosum
    Photo of rattlesnake master flower heads side view

    Rattlesnake Master

    Eryngium yuccifolium
    Photo of spring cress flower clusters

    Spring Cress (Bitter Cress)

    Cardamine bulbosa
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    Edible

    White upland aster goldenrod inflorescence in a prairie

    Upland White Goldenrod

    Solidago ptermicoides (formerly Aster ptarmicoides)
    Photo of water milfoil plants along the shore of a pond

    Water Milfoils

    Myriophyllum spp.
    Photo of white crownbeard plant with flowers

    White Crownbeard

    Verbesina virginica
    Photo of yellow rocket flower clusters

    Yellow Rocket

    Barbarea vulgaris
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    Edible

    Photo of yellow violet plant with flower

    Yellow Violet

    Viola pubescens (formerly V. pensylvanica)
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    Edible