Photo of blue-eyed grass flower closeup

    Blue-Eyed Grass

    Sisyrinchium campestre
    Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    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 common St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Deptfort pink blooming in an open area

    Deptford Pink

    Dianthus armeria
    Photo of eastern prickly pear plant with flowers

    Eastern Prickly Pear

    Opuntia humifusa (formerly O. compressa)
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    Edible

    Photo of false garlic flowers

    False Garlic

    Nothoscordum bivalve
    Photo of a false loosestrife flower closeup

    False Loosestrife

    Ludwigia alternifolia
    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of Harvey's buttercup plant with flowers

    Harvey’s Buttercup

    Ranunculus harveyi
    Photo of hedge bindweed flowers

    Hedge Bindweed

    Calystegia sepium (also Convolvulus sepium)
    Photo of hedge parsley flower clusters

    Hedge Parsley

    Torilis arvensis
    Photo of hoary puccoon closeup of flower cluster

    Hoary Puccoon (Orange Puccoon)

    Lithospermum canescens
    Photo of hogwort plant showing upper stem leaves and flowers.

    Hogwort (Woolly Croton)

    Croton capitatus
    Photo of horse nettle flowers and leaves

    Horse Nettle

    Solanum carolinense
    Poisonous Icon

    Poisonous

    Photo of lance-leaved loosestrife plant with flowers

    Lance-Leaved Loosestrife

    Lysimachia lanceolata
    Photo of Missouri bladderpod flowers

    Missouri Bladderpod

    Physaria filiformis (formerly Lesquerella filiformis)
    exclamation mark

    Endangered

    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 mullein basal leaves

    Mullein

    Verbascum thapsus
    Photo of blooming passionflower

    Passion Flower

    Passiflora incarnata
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    Edible

    Photo of a rose gentian flower, closeup

    Rose Gentian (Rose Pink)

    Sabatia angularis
    Photo of royal catchfly flowers

    Royal Catchfly

    Silene regia
    Photo of shining blue star flower cluster

    Shining Blue Star

    Amsonia illustris
    Photo of small bluet flower showing purplish center

    Small Bluet (Tiny Bluet)

    Houstonia pusilla (H. minima; Hedyotis crassifolia)
    Photo of smooth spiderwort flowers being visited by beelike syrphid flies

    Smooth Spiderwort

    Tradescantia ohiensis
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    Edible

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

    Southern Wild Senna

    Senna marilandica (formerly Cassia marilandica)
    Photo of star of Bethlehem cluster of plants with flowers

    Star of Bethlehem

    Ornithogalum umbellatum
    Poisonous Icon

    Poisonous

    Photo of a starry campion flower
    Photo of violet wood sorrel plant with flowers

    Violet Wood Sorrel

    Oxalis violacea
    Photo of wild four-o'clock flower

    Wild Four-O’Clock

    Mirabilis nyctaginea
    Poisonous Icon

    Poisonous

    Photo of wild hyacinth flower cluster

    Wild Hyacinth

    Camassia scilloides
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    Edible

    Photo of winged loosestrife plants and flowers

    Winged Loosestrife

    Lythrum alatum
    Photo of yarrow or common milfoil flower cluster

    Yarrow (Common Milfoil)

    Achillea millefolium
    Photo of yellow rocket flower clusters

    Yellow Rocket

    Barbarea vulgaris
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    Edible

    Photo of yellow wood sorrel plant showing flowers and leaves.

    Yellow Wood Sorrel

    Oxalis stricta
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    Edible

    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

    Yucca smalliana, Y. glauca, and Y. arkansana