Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    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
    Closeup of single flowerhead of a New World aster with yellow disk florets and lavender ray florets

    New World Asters (American Asters)

    Symphyotrichum spp. (formerly Aster spp.)
    Photo of Ohio horsemint inflorescence

    Ohio Horsemint

    Blephilia ciliata
    fork and knife icon

    Edible

    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    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)