Photo of American feverfew flower cluster.

    American Feverfew

    Parthenium integrifolium
    Photo of black medick closeup of cloverlike yellow flowerhead

    Black Medick

    Medicago lupulina
    Photo of black mustard flower cluster

    Black Mustard

    Brassica nigra
    fork and knife icon

    Edible

    Photo of dead nettle stalk with flowers

    Dead Nettle

    Lamium purpureum
    Photo of henbit plants with flowers

    Henbit

    Lamium amplexicaule
    fork and knife icon

    Edible

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    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 rose verbena, or rose vervain, flower cluster showing leaves

    Rose Verbena (Rose Vervain)

    Glandularia canadensis (formerly Verbena canadensis)
    Photo of slender bush clover flowers

    Slender Bush Clover

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

    Teasels

    Dipsacus fullonum and D. laciniatus
    invasive icon

    Invasive

    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