Photo of autumn sneezeweed flowerheads, closeup.

    Autumn Sneezeweed

    Helenium autumnale
    Photo of blue vervain flower clusters in a prairie

    Blue Vervain

    Verbena hastata
    Photo of blue-eyed Mary flowers

    Blue-Eyed Mary

    Collinsia verna
    Photo of bushy clump of brown-eyed Susan plants.

    Brown-Eyed Susan

    Rudbeckia triloba
    Photo of cardinal flower plants in flower

    Cardinal Flower

    Lobelia cardinalis
    Photo of clasping Venus' looking glass, a blue wildflower

    Clasping Venus’ Looking Glass

    Triodanis perfoliata (formerly Specularia perfoliata)
    Photo of tall thoroughwort plant with flowers

    Common Boneset (Thoroughwort)

    Eupatorium perfoliatum
    Photo of common cinquefoil plants with flowers

    Common Cinquefoil

    Potentilla simplex
    Photo of common ground cherry flower

    Common Ground Cherry

    Physalis longifolia
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    Edible

    Photo of common sunflower

    Common Sunflower

    Helianthus annuus
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    Edible

    Photo of common water hemlock or spotted cowbane flowers

    Common Water Hemlock

    Cicuta maculata
    Poisonous Icon

    Poisonous

    Photo of an ebony spleenwort plant growing among moss and fallen leaves

    Ebony Spleenwort

    Asplenium platyneuron
    Photo of false dragonhead plant with flowers

    False Dragonhead (Obedient Plant)

    Physostegia virginiana
    Photo of Florida lettuce flower closeup with syrphid fly

    Florida Lettuce (Woodland Lettuce)

    Lactuca floridana
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    Edible

    Photo of a giant ragweed plant.

    Giant Ragweed

    Ambrosia trifida
    Photo of tall goldenrod plant with flowers

    Goldenrods

    Solidago spp. (23 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 hairy rose mallow flower

    Hairy Rose Mallow

    Hibiscus lasiocarpos
    Photo of hispid buttercup plant with flower

    Hispid Buttercup

    Ranunculus hispidus
    Photo of the upper portions of two Jerusalem artichoke plants.

    Jerusalem Artichoke (Sunflower Artichoke)

    Helianthus tuberosus
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    Edible

    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of lowland brittle fern fronds and fiddleheads growing in woods

    Lowland Brittle Fern (Southern Fragile Fern)

    Cystopteris protrusa (formerly C. fragilis var. protrusa)
    Photo of mist flower or wild ageratum plants with flowers

    Mist Flower (Wild Ageratum; Blue Boneset)

    Conoclinium coelestinum (formerly Eupatorium coelestinum)
    Photo of northern fog fruit flowering head

    Northern Fog Fruit

    Lippia lanceolata (formerly Phyla lanceolata)
    Photo of Ohio horsemint inflorescence

    Ohio Horsemint

    Blephilia ciliata
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    Edible

    Photo of ox-eye daisies in a grassy field

    Ox-Eye Daisy

    Leucanthemum vulgare (formerly Chrysanthemum leucanthemum)
    Photo of pale Indian plantain flower clusters.

    Pale Indian Plantain

    Arnoglossum atriplicifolium (also Cacalia atriplicifolia)
    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of purple-headed sneezeweed flowerhead showing round, purplish disk.

    Purple-Headed Sneezeweed

    Helenium flexuosum
    Photo of spring cress flower clusters

    Spring Cress (Bitter Cress)

    Cardamine bulbosa
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    Edible

    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    Photo of a tall thoroughwort plant in bloom.
    Photo of white sweet clover flower cluster showing stalk and flowers.

    White and Yellow Sweet Clovers

    Melilotus albus and M. officinale
    invasive icon

    Invasive

    Photo of white anemone

    White Anemone (Windflower)

    Anemone canadensis
    Photo of white avens flower and upper stem leaves.
    Photo of white crownbeard plant with flowers

    White Crownbeard

    Verbesina virginica
    Photo of white snakeroot leaves and flowers

    White Snakeroot

    Ageratina altissima (formerly Eupatorium rugosum)
    Poisonous Icon

    Poisonous

    Photo of wholeleaf rosinweed flowerhead

    Wholeleaf Rosinweed

    Silphium integrifolium
    Photo of wood nettle leaves at top of plant.

    Wood Nettle (Stinging Nettle)

    Laportea canadensis
    fork and knife icon

    Edible