Photo of bluebells, or Virginia cowslip, plants with flowers

    Bluebells (Virginia Cowslip)

    Mertensia virginica
    Photo of cardinal flower plants in flower

    Cardinal Flower

    Lobelia cardinalis
    Photo of Dutchman's breeches plant with flowers

    Dutchman's Breeches

    Dicentra cucullaria
    Photo of false dragonhead plant with flowers

    False Dragonhead (Obedient Plant)

    Physostegia virginiana
    Photo of hairy rose mallow flower

    Hairy Rose Mallow

    Hibiscus lasiocarpos
    Photo of harbinger of spring flower clusters with coin to show size

    Harbinger of Spring

    Erigenia bulbosa
    Photo of hedge bindweed flowers

    Hedge Bindweed

    Calystegia sepium (also Convolvulus sepium)
    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
    Photo of northern fog fruit flowering head

    Northern Fog Fruit

    Lippia lanceolata (formerly Phyla lanceolata)
    Photo of perennial or summer phlox flower cluster.

    Perennial Phlox

    Phlox paniculata
    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of common gerardia plant with flowers

    Slender False Foxglove

    Agalinis tenuifolia (formerly Gerardia tenuifolia)
    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)