Photo of blue-eyed Mary flowers

    Blue-Eyed Mary

    Collinsia verna
    Photo of Chinese yam showing leaves and bulbils

    Chinese Yam

    Dioscorea oppositifolia (sometimes called D. batatas)
    invasive icon

    Invasive

    Photo of climbing milkweed flowers and leaves.

    Climbing Milkweed

    Matelea decipiens
    Photo of combleaf yellow false foxglove showing flowers and leaves.

    Combleaf Yellow False Foxglove

    Aureolaria pectinata (formerly Gerardia pedicularia)
    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 St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Photo of fire pink flowers

    Fire Pink

    Silene virginica
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    Photo of lance-leaved loosestrife plant with flowers

    Lance-Leaved Loosestrife

    Lysimachia lanceolata
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of Ohio horsemint inflorescence

    Ohio Horsemint

    Blephilia ciliata
    fork and knife icon

    Edible

    Photo of perennial or summer phlox flower cluster.

    Perennial Phlox

    Phlox paniculata
    Photo of purple milkweed flower cluster

    Purple Milkweed

    Asclepias purpurascens
    Photo of self-heal flower head

    Self-Heal (Heal-All)

    Prunella vulgaris
    fork and knife icon

    Edible

    Photo of common gerardia plant with flowers

    Slender False Foxglove

    Agalinis tenuifolia (formerly Gerardia tenuifolia)
    Photo of slender mountain mint flowers

    Slender Mountain Mint

    Pycnanthemum tenuifolium
    fork and knife icon

    Edible

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

    Sunflowers

    Helianthus 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 wood spurge flowers.

    Wood Spurge

    Euphorbia commutata