Photo of autumn sneezeweed flowerheads, closeup.

    Autumn Sneezeweed

    Helenium autumnale
    Photo of bushy clump of brown-eyed Susan plants.

    Brown-Eyed Susan

    Rudbeckia triloba
    Photo of Carolina false dandelion flowerhead.

    Carolina False Dandelion

    Pyrrhopappus carolinianus
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    Edible

    Photo of common evening primrose, closeup of flowers.

    Common Evening Primrose

    Oenothera biennis
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    Edible

    Photo of common water hemlock or spotted cowbane flowers

    Common Water Hemlock

    Cicuta maculata
    Poisonous Icon

    Poisonous

    Photo of corn salad plant flower clusters showing arrangement of buds.

    Corn Salad

    Valerianella radiata
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    Edible

    Photo of elephant's foot closeup of flowers

    Elephant’s Foot

    Elephantopus carolinianus
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of hispid buttercup plant with flower

    Hispid Buttercup

    Ranunculus hispidus
    Photo of common scouring rush, many stems in a colony

    Horsetails (Scouring Rushes)

    Equisetum (3 spp. in Missouri)
    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of mayapple colony looking like numerous green umbrellas on forest floor

    Mayapple

    Podophyllum peltatum
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    Edible

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

    Sunflowers

    Helianthus spp.
    Photo of woolly sweet cicely flower clusters

    Sweet Cicely (Anise Root)

    Osmorhiza claytonii and O. longistylis
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    Edible

    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
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    Edible

    Photo of water milfoil plants along the shore of a pond

    Water Milfoils

    Myriophyllum spp.
    Photo of white anemone

    White Anemone (Windflower)

    Anemone canadensis
    Photo of white avens flower and upper stem leaves.
    Photo of wild geranium plant with flowers
    Photo of wood betony plants with flowers

    Wood Betony (Common Lousewort)

    Pedicularis canadensis
    Photo of yellow violet plant with flower

    Yellow Violet

    Viola pubescens (formerly V. pensylvanica)
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    Edible