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

    Corn Salad

    Valerianella radiata
    fork and knife icon

    Edible

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

    Grasses

    All true grasses (species in the grass family).
    Photo of Ohio horsemint inflorescence

    Ohio Horsemint

    Blephilia ciliata
    fork and knife icon

    Edible

    Photo of self-heal flower head

    Self-Heal (Heal-All)

    Prunella vulgaris
    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