Photo of a bull thistle flowerhead.

    Bull Thistle

    Cirsium vulgare
    fork and knife icon

    Edible

    Photo of dead nettle stalk with flowers

    Dead Nettle

    Lamium purpureum
    Photo of everlasting pea flower and leaves

    Everlasting Pea

    Lathyrus latifolius
    Photo of field milkwort flowerheads.

    Field Milkwort

    Polygala sanguinea
    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of a musk thistle blooming flower head.

    Musk Thistle (Nodding Thistle)

    Carduus nutans
    invasive icon

    Invasive

    Photo of northern fog fruit flowering head

    Northern Fog Fruit

    Lippia lanceolata (formerly Phyla lanceolata)
    Photo of a Queen Anne's lace flower cluster, seen from the top
    Photo of a rose gentian flower, closeup

    Rose Gentian (Rose Pink)

    Sabatia angularis
    Photo of rose verbena, or rose vervain, flower cluster showing leaves

    Rose Verbena (Rose Vervain)

    Glandularia canadensis (formerly Verbena canadensis)
    Photo of sensitive brier flowers

    Sensitive Briar

    Mimosa quadrivalvis (also Schrankia nuttallii)
    Photo of slender bush clover flowers

    Slender Bush Clover

    Lespedeza virginica
    Photo of swamp milkweed, three plants with flower clusters.

    Swamp Milkweed

    Asclepias incarnata
    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible

    Photo of cut-leaved teasel showing flowerhead and joined, cuplike leaves.

    Teasels

    Dipsacus fullonum and D. laciniatus
    invasive icon

    Invasive

    Photo of tick trefoil plant with flowers

    Tick Trefoils (Sticktights; Beggar's Lice)

    Desmodium spp. (17 species in Missouri)
    Photo of white heath aster flowers

    White Heath Aster

    Symphyotrichum pilosum (formerly Aster pilosus)
    Photo of wild four-o'clock flower

    Wild Four-O’Clock

    Mirabilis nyctaginea
    Poisonous Icon

    Poisonous

    Photo of yarrow or common milfoil flower cluster

    Yarrow (Common Milfoil)

    Achillea millefolium