Photo of American germander flowers

    American Germander

    Teucrium canadense
    Photo of autumn sneezeweed flowerheads, closeup.

    Autumn Sneezeweed

    Helenium autumnale
    Photo of beefsteak plant showing upper leaves and flower cluster

    Beefsteak Plant

    Perilla frutescens
    fork and knife icon

    Edible

    Photo of bird's-foot trefoil, close-up of flower cluster.

    Bird’s-Foot Trefoil

    Lotus corniculatus
    Photo of black mustard flower cluster

    Black Mustard

    Brassica nigra
    fork and knife icon

    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 bushy clump of brown-eyed Susan plants.

    Brown-Eyed Susan

    Rudbeckia triloba
    Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of cardinal flower plants in flower

    Cardinal Flower

    Lobelia cardinalis
    Photo of Carolina false dandelion flowerhead.

    Carolina False Dandelion

    Pyrrhopappus carolinianus
    fork and knife icon

    Edible

    Photo of several cattail flowering stalks

    Cattails

    Typha spp.
    fork and knife icon

    Edible

    Photo of clasping Venus' looking glass, a blue wildflower

    Clasping Venus’ Looking Glass

    Triodanis perfoliata (formerly Specularia perfoliata)
    Photo of climbing false buckwheat vines, leaves, and flowers.

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Photo of climbing milkweed flowers and leaves.

    Climbing Milkweed

    Matelea decipiens
    Photo of columbine flower closeup

    Columbine

    Aquilegia canadensis
    Poisonous Icon

    Poisonous

    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 dayflower flower and buds.

    Common Dayflower

    Commelina communis
    fork and knife icon

    Edible

    Photo of common evening primrose, closeup of flowers.

    Common Evening Primrose

    Oenothera biennis
    fork and knife icon

    Edible

    Photo of common ground cherry flower

    Common Ground Cherry

    Physalis longifolia
    fork and knife icon

    Edible

    Photo of common horse gentian stalk showing opposite, perfoliate leaves.

    Common Horse Gentian

    Triosteum perfoliatum
    Photo of common milkweed flower cluster

    Common Milkweed

    Asclepias syriaca
    Photo of common sunflower

    Common Sunflower

    Helianthus annuus
    fork and knife icon

    Edible

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

    Corn Salad

    Valerianella radiata
    fork and knife icon

    Edible

    Photo of downy skullcap flower clusters

    Downy Skullcap

    Scutellaria incana
    Photo of eastern prickly pear plant with flowers

    Eastern Prickly Pear

    Opuntia humifusa (formerly O. compressa)
    fork and knife icon

    Edible

    Photo of elephant's foot closeup of flowers

    Elephant’s Foot

    Elephantopus carolinianus
    Photo of a false loosestrife flower closeup

    False Loosestrife

    Ludwigia alternifolia
    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
    No photo available

    French Grass

    Orbexilum onobrychis (formerly Psoralea onobrychis)
    Photo of a giant ragweed plant.

    Giant Ragweed

    Ambrosia trifida
    Photo of two golden aster flowerheads plus a few leaves.

    Golden Aster (Camphorweed)

    Heterotheca camporum (syn. Chrysopsis villosa var. camporum)
    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 hairy rose mallow flower

    Hairy Rose Mallow

    Hibiscus lasiocarpos
    Photo of Harvey's buttercup plant with flowers

    Harvey’s Buttercup

    Ranunculus harveyi
    Photo of hedge parsley flower clusters

    Hedge Parsley

    Torilis arvensis
    Photo of hispid buttercup plant with flower

    Hispid Buttercup

    Ranunculus hispidus
    Photo of horseweed flowers

    Horseweed (Canada Fleabane, Hog Weed)

    Conyza canadensis (formerly Erigeron canadensis)
    Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    Photo of Japanese stiltgrass

    Japanese Stiltgrass (Eulalia)

    Microstegium vimineum
    invasive icon

    Invasive

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