Photo of American germander flowers

    American Germander

    Teucrium canadense
    Photo of ashy sunflowers showing flowers, leaves, and stems.

    Ashy Sunflower

    Helianthus mollis
    Photo of beefsteak plant showing upper leaves and flower cluster

    Beefsteak Plant

    Perilla frutescens
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    Edible

    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 combleaf yellow false foxglove showing flowers and leaves.

    Combleaf Yellow False Foxglove

    Aureolaria pectinata (formerly Gerardia pedicularia)
    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 corn salad plant flower clusters showing arrangement of buds.

    Corn Salad

    Valerianella radiata
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    Edible

    Photo of dead nettle stalk with flowers

    Dead Nettle

    Lamium purpureum
    Photo of dittany flowers

    Dittany

    Cunila origanoides
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    Edible

    Photo of downy skullcap flower clusters

    Downy Skullcap

    Scutellaria incana
    Photo of a giant ragweed plant.

    Giant Ragweed

    Ambrosia trifida
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of henbit plants with flowers

    Henbit

    Lamium amplexicaule
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    Edible

    Photo of the upper portions of two Jerusalem artichoke plants.

    Jerusalem Artichoke (Sunflower Artichoke)

    Helianthus tuberosus
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    Edible

    Photo of mist flower or wild ageratum plants with flowers

    Mist Flower (Wild Ageratum; Blue Boneset)

    Conoclinium coelestinum (formerly Eupatorium coelestinum)
    Photo of narrow-leaved vervain plants in bloom.

    Narrow-Leaved Vervain

    Verbena simplex
    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 leaf cup flower

    Pale-Flowered Leaf Cup

    Polymnia canadensis
    Photo of rose verbena, or rose vervain, flower cluster showing leaves

    Rose Verbena (Rose Vervain)

    Glandularia canadensis (formerly Verbena canadensis)
    Photo of self-heal flower head

    Self-Heal (Heal-All)

    Prunella vulgaris
    fork and knife icon

    Edible

    Photo of starry rosinweed flowerheads on a black background

    Starry Rosinweed

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

    Sunflowers

    Helianthus spp.
    Photo of a tall thoroughwort plant in bloom.
    Photo of cut-leaved teasel showing flowerhead and joined, cuplike leaves.

    Teasels

    Dipsacus fullonum and D. laciniatus
    invasive icon

    Invasive

    Photo of water milfoil plants along the shore of a pond

    Water Milfoils

    Myriophyllum spp.
    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 wild bergamot or horsemint plant with lavender flowers

    Wild Bergamot

    Monarda fistulosa
    fork and knife icon

    Edible

    Photo of wild geranium plant with flowers
    Photo of yellow crownbeard flowerhead.

    Yellow Crownbeard

    Verbesina helianthoides