Photo of blue-eyed Mary flowers

    Blue-Eyed Mary

    Collinsia verna
    Photo of common milkweed flower cluster

    Common Milkweed

    Asclepias syriaca
    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 purple loosestrife flowering stalks showing purple flowers

    Purple Loosestrife

    Lythrum salicaria
    invasive icon

    Invasive

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

    Sunflowers

    Helianthus spp.
    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