Photo of blue vervain flower clusters in a prairie

    Blue Vervain

    Verbena hastata
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of mist flower or wild ageratum plants with flowers

    Mist Flower (Wild Ageratum; Blue Boneset)

    Conoclinium coelestinum (formerly Eupatorium coelestinum)
    Photo of New England aster plants with flowers

    New England Aster

    Symphyotrichum novae-angliae (formerly Aster novae-angliae)
    Photo of northern fog fruit flowering head

    Northern Fog Fruit

    Lippia lanceolata (formerly Phyla lanceolata)
    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of purple loosestrife flowering stalks showing purple flowers

    Purple Loosestrife

    Lythrum salicaria
    invasive icon

    Invasive

    Photo of tick trefoil plant with flowers

    Tick Trefoils (Sticktights; Beggar's Lice)

    Desmodium spp. (17 species in Missouri)