Photo of American water willow closeup on flowers

    American Water Willow

    Justicia americana
    Photo of beaked hawkweed flowers.

    Beaked Hawkweed

    Hieracium gronovii
    Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of butterfly pea plant with flowers

    Butterfly Pea

    Clitoria mariana
    Photo of Carolina false dandelion flowerhead.

    Carolina False Dandelion

    Pyrrhopappus carolinianus
    fork and knife icon

    Edible

    Photo of Chinese yam showing leaves and bulbils

    Chinese Yam

    Dioscorea oppositifolia (sometimes called D. batatas)
    invasive icon

    Invasive

    Photo of common dayflower flower and buds.

    Common Dayflower

    Commelina communis
    fork and knife icon

    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 various duckweeds and watermeal on water surface

    Duckweeds (Watermeal)

    Lemna spp.; Spirodella spp.; Wolffia spp.
    Photo of English plantain flowers

    English Plantain

    Plantago lanceolata
    Photo of everlasting pea flower and leaves

    Everlasting Pea

    Lathyrus latifolius
    Photo of false garlic flowers

    False Garlic

    Nothoscordum bivalve
    Photo of field milkwort flowerheads.

    Field Milkwort

    Polygala sanguinea
    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of tall goldenrod plant with flowers

    Goldenrods

    Solidago spp. (23 species in Missouri)
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of hairy vetch flower clusters and leaves

    Hairy Vetch

    Vicia villosa
    Photo of hedge bindweed flowers

    Hedge Bindweed

    Calystegia sepium (also Convolvulus sepium)
    Photo of horse nettle flowers and leaves

    Horse Nettle

    Solanum carolinense
    Poisonous Icon

    Poisonous

    Photo of Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Photo of leafy spurge seed heads

    Leafy Spurge

    Euphorbia esula
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of mullein basal leaves

    Mullein

    Verbascum thapsus
    Photo of pokeweed plant with dangling stalks of ripe and unripe berries.

    Pokeweed

    Phytolacca americana
    Poisonous Icon

    Poisonous

    Photo of American pondweed leaves floating on water surface

    Pondweeds

    Potamogeton spp.
    Photo of a Queen Anne's lace flower cluster, seen from the top
    Photo of scarlet pimpernel flower and plant

    Scarlet Pimpernel (Poor Man’s Weatherglass)

    Anagallis arvensis (Lysamachia arvensis)
    Photo of sensitive brier flowers

    Sensitive Briar

    Mimosa quadrivalvis (also Schrankia nuttallii)
    Photo of sesbania flowers and foliage

    Sesbania (Coffeeweed)

    Sesbania herbacea (formerly S. exaltata)
    Poisonous Icon

    Poisonous

    invasive icon

    Invasive

    Photo of slender bush clover flowers

    Slender Bush Clover

    Lespedeza virginica
    Photo of a spatterdock flower held against a leaf

    Spatterdock (Yellow Pond Lily)

    Nuphar advena (formerly N. lutea)
    fork and knife icon

    Edible

    Photo of tall fescue plants

    Tall Fescue

    Festuca arundinacea
    invasive icon

    Invasive

    Photo of violet wood sorrel plant with flowers

    Violet Wood Sorrel

    Oxalis violacea
    Photo of viper’s bugloss, closeup of flower

    Viper's Bugloss

    Echium vulgare
    Photo of water milfoil plants along the shore of a pond

    Water Milfoils

    Myriophyllum spp.
    Photo of water primrose plant showing typical roots, leaves, stems, and a flower

    Water Primrose

    Ludwigia peploides
    Photo of water shield showing leaves and a flower

    Water Shield

    Brasenia schreberi
    fork and knife icon

    Edible

    Photo of watercress flowers

    Watercress

    Nasturtium officinale (syn. Rorippa nasturtium-aquaticum)
    fork and knife icon

    Edible

    Photo of wild four-o'clock flower

    Wild Four-O’Clock

    Mirabilis nyctaginea
    Poisonous Icon

    Poisonous

    Photo of wild potato vine flowers and leaves

    Wild Potato Vine

    Ipomoea pandurata
    fork and knife icon

    Edible

    Photo of yarrow or common milfoil flower cluster

    Yarrow (Common Milfoil)

    Achillea millefolium
    Photo of yellow star grass plant with flowers

    Yellow Star Grass

    Hypoxis hirsuta
    Photo of yellow wood sorrel plant showing flowers and leaves.

    Yellow Wood Sorrel

    Oxalis stricta
    fork and knife icon

    Edible