Photo of field milkwort flowerheads.

    Field Milkwort

    Polygala sanguinea
    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 oblong-leaved aster showing masses of purple flowerheads

    Oblong-Leaved Aster (Aromatic Aster)

    Symphyotrichum oblongifolium (formerly Aster oblongifolius)
    Photo of dense stand of prairie blazing star or gayfeather at Pawnee Prairie

    Prairie Blazing Star (Gayfeather)

    Liatris pycnostachya
    fork and knife icon

    Edible

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

    Rose Verbena (Rose Vervain)

    Glandularia canadensis (formerly Verbena canadensis)
    Photo of common gerardia plant with flowers

    Slender False Foxglove

    Agalinis tenuifolia (formerly Gerardia tenuifolia)
    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible

    Photo of pink wild onion flower clusters

    Wild Onion

    Allium stellatum
    fork and knife icon

    Edible

    Photo of winged loosestrife plants and flowers

    Winged Loosestrife

    Lythrum alatum