Photo of black mustard flower cluster

    Black Mustard

    Brassica nigra
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    Edible

    Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of climbing false buckwheat vines, leaves, and flowers.

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Photo of common evening primrose, closeup of flowers.

    Common Evening Primrose

    Oenothera biennis
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    Edible

    Photo of common jimsonweed flower

    Common Jimsonweed

    Datura stramonium
    Poisonous Icon

    Poisonous

    Photo of common St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Deptfort pink blooming in an open area

    Deptford Pink

    Dianthus armeria
    Photo of various duckweeds and watermeal on water surface

    Duckweeds (Watermeal)

    Lemna spp.; Spirodella spp.; Wolffia spp.
    Photo of false garlic flowers

    False Garlic

    Nothoscordum bivalve
    Photo of Florida lettuce flower closeup with syrphid fly

    Florida Lettuce (Woodland Lettuce)

    Lactuca floridana
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    Edible

    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of hairy rose mallow flower

    Hairy Rose Mallow

    Hibiscus lasiocarpos
    Photo of hedge bindweed flowers

    Hedge Bindweed

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

    Hedge Parsley

    Torilis arvensis
    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 moth mullein flowers

    Moth Mullein

    Verbascum blattaria
    Photo of mullein basal leaves

    Mullein

    Verbascum thapsus
    Photo of blooming passionflower

    Passion Flower

    Passiflora incarnata
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    Edible

    Photo of pokeweed plant with dangling stalks of ripe and unripe berries.

    Pokeweed

    Phytolacca americana
    Poisonous Icon

    Poisonous

    Photo of a rose gentian flower, closeup

    Rose Gentian (Rose Pink)

    Sabatia angularis
    Photo of royal catchfly flowers

    Royal Catchfly

    Silene regia
    Photo of scarlet pimpernel flower and plant

    Scarlet Pimpernel (Poor Man’s Weatherglass)

    Anagallis arvensis (Lysamachia arvensis)
    Photo of shepherd’s purse plant and flowers

    Shepherd's Purse

    Capsella bursa-pastoris
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    Edible

    Photo of soapwort plants and flowers

    Soapwort (Bouncing Bet)

    Saponaria officinalis
    Poisonous Icon

    Poisonous

    Photo of a starry campion flower
    Photo of violet wood sorrel plant with flowers

    Violet Wood Sorrel

    Oxalis violacea
    Photo of water primrose plant showing typical roots, leaves, stems, and a flower

    Water Primrose

    Ludwigia peploides
    Photo of white avens flower and upper stem leaves.
    Photo of wild four-o'clock flower

    Wild Four-O’Clock

    Mirabilis nyctaginea
    Poisonous Icon

    Poisonous

    Photo of wild potato vine flowers and leaves

    Wild Potato Vine

    Ipomoea pandurata
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    Edible

    Photo of winged loosestrife plants and flowers

    Winged Loosestrife

    Lythrum alatum
    Photo of yarrow or common milfoil flower cluster

    Yarrow (Common Milfoil)

    Achillea millefolium
    Photo of yellow wood sorrel plant showing flowers and leaves.

    Yellow Wood Sorrel

    Oxalis stricta
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    Edible