Photo of false Solomon's seal plant with flower cluster

    False Solomon’s Seal (False Spikenard)

    Maianthemum racemosum (formerly Smilacena racemosa)
    Photo of field milkwort flowerheads.

    Field Milkwort

    Polygala sanguinea
    Picture of a patch of filamentous green algae floating in a stream.

    Filamentous Green Algae (Pond Scum)

    Cladophora, Pithophora, and Spirogyra spp., and others
    Photo of fire pink flowers

    Fire Pink

    Silene virginica
    Photo of Florida lettuce flower closeup with syrphid fly

    Florida Lettuce (Woodland Lettuce)

    Lactuca floridana
    fork and knife icon

    Edible

    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of foxglove beardtongue flowers

    Foxglove Beardtongue

    Penstemon digitalis
    Photo of Fremont’s leather flower

    Fremont’s Leather Flower

    Clematis fremontii
    No photo available

    French Grass

    Orbexilum onobrychis (formerly Psoralea onobrychis)
    Photo of garlic mustard plant with flowers

    Garlic Mustard

    Alliaria petiolata
    fork and knife icon

    Edible

    invasive icon

    Invasive

    Photo of a geocarpon plant showing stems and foliage

    Geocarpon (Earth Fruit; Tiny Tim)

    Geocarpon minimum
    exclamation mark

    Endangered

    Photo of a giant ragweed plant.

    Giant Ragweed

    Ambrosia trifida
    Photo of glade coneflower flowerhead showing yellow pollen

    Glade Coneflower

    Echinacea simulata
    Photo of goat's beard plant with flower clusters

    Goat’s Beard

    Aruncus dioicus
    Photo of goat's rue showing flower cluster

    Goat’s Rue (Hoary Pea)

    Tephrosia virginiana
    Photo of two golden aster flowerheads plus a few leaves.

    Golden Aster (Camphorweed)

    Heterotheca camporum (syn. Chrysopsis villosa var. camporum)
    Photo of a golden seal plant with flower.

    Golden Seal

    Hydrastis canadensis
    Photo of tall goldenrod plant with flowers

    Goldenrods

    Solidago species (over 20 species in Missouri)
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of several grayhead prairie coneflowers with sky in background

    Gray-Headed Coneflower

    Ratibida pinnata
    Photo of green dragon plant showing flower and leaves.

    Green Dragon

    Arisaema dracontium
    Poisonous Icon

    Poisonous

    Photo of ground plum, top of plant, showing flowers and several leaves.

    Ground Plum (Milk Vetch)

    Astragalus crassicarpus (formerly A. mexicanus)
    fork and knife icon

    Edible

    Photo of hairy lip fern

    Hairy Lip Fern

    Myriopteris lanosa (syn. Cheilanthes lanosa)
    Photo of hairy rose mallow flower

    Hairy Rose Mallow

    Hibiscus lasiocarpos
    Photo of hairy vetch flower clusters and leaves

    Hairy Vetch

    Vicia villosa
    Photo of harbinger of spring flower clusters with coin to show size

    Harbinger of Spring

    Erigenia bulbosa
    Photo of Harvey's buttercup plant with flowers

    Harvey’s Buttercup

    Ranunculus harveyi
    Photo of hedge bindweed flowers

    Hedge Bindweed

    Calystegia sepium (also Convolvulus sepium)
    Photo of hedge parsley flower clusters

    Hedge Parsley

    Torilis arvensis
    Photo of henbit plants with flowers

    Henbit

    Lamium amplexicaule
    fork and knife icon

    Edible

    Photo of hispid buttercup plant with flower

    Hispid Buttercup

    Ranunculus hispidus
    Photo of hoary puccoon closeup of flower cluster

    Hoary Puccoon (Orange Puccoon)

    Lithospermum canescens
    Photo of hogwort plant showing upper stem leaves and flowers.

    Hogwort (Woolly Croton)

    Croton capitatus
    Photo of horse nettle flowers and leaves

    Horse Nettle

    Solanum carolinense
    Poisonous Icon

    Poisonous

    Photo of common scouring rush, many stems in a colony

    Horsetails (Scouring Rushes)

    Equisetum (3 spp. in Missouri)
    Photo of horseweed flowers

    Horseweed (Canada Fleabane, Hog Weed)

    Conyza canadensis (formerly Erigeron canadensis)
    Photo of a clump of hydrilla held in a hand

    Hydrilla

    Hydrilla verticillata
    invasive icon

    Invasive

    Photo of Indian grass flower head in bloom

    Indian Grass

    Sorghastrum nutans
    Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    Photo of Indian paintbrush flowers

    Indian Paintbrush

    Castilleja coccinea
    Photo of several Indian pipe plants with flowers, rising out of leaf litter.

    Indian Pipe

    Monotropa uniflora
    Photo of Indian strawberry plant with flower

    Indian Strawberry (Mock Strawberry)

    Duchesnea indica (syn. Potentilla indica)
    invasive icon

    Invasive

    Photo of Jack-in-the-pulpit plant showing foliage and flowering structure

    Jack-in-the-Pulpit

    Arisaema triphyllum
    Poisonous Icon

    Poisonous

    Photo of Jacob's ladder plant showing leaves and flowers

    Jacob’s Ladder

    Polemonium reptans
    Photo of Japanese knotweed

    Japanese Knotweed

    Fallopia japonica
    invasive icon

    Invasive

    Photo of Japanese stiltgrass

    Japanese Stiltgrass (Eulalia)

    Microstegium vimineum
    invasive icon

    Invasive

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