Photo of American feverfew flower cluster.

    American Feverfew

    Parthenium integrifolium
    Photo of black mustard flower cluster

    Black Mustard

    Brassica nigra
    fork and knife icon

    Edible

    Photo of a bull thistle flowerhead.

    Bull Thistle

    Cirsium vulgare
    fork and knife icon

    Edible

    Photo of common water hemlock or spotted cowbane flowers

    Common Water Hemlock

    Cicuta maculata
    Poisonous Icon

    Poisonous

    Photo of elephant's foot closeup of flowers

    Elephant’s Foot

    Elephantopus carolinianus
    Photo of hedge parsley flower clusters

    Hedge Parsley

    Torilis arvensis
    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of a musk thistle blooming flower head.

    Musk Thistle (Nodding Thistle)

    Carduus nutans
    invasive icon

    Invasive

    Photo of pale Indian plantain flower clusters.

    Pale Indian Plantain

    Arnoglossum atriplicifolium (also Cacalia atriplicifolia)
    Photo of shepherd’s purse plant and flowers

    Shepherd's Purse

    Capsella bursa-pastoris
    fork and knife icon

    Edible

    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