Photo of autumn sneezeweed flowerheads, closeup.

    Autumn Sneezeweed

    Helenium autumnale
    Photo of beaked hawkweed flowers.

    Beaked Hawkweed

    Hieracium gronovii
    Photo of bushy clump of brown-eyed Susan plants.

    Brown-Eyed Susan

    Rudbeckia triloba
    Photo of celandine poppy plant and flowers

    Celandine Poppy (Wood Poppy)

    Stylophorum diphyllum
    Photo of columbine flower closeup

    Columbine

    Aquilegia canadensis
    Poisonous Icon

    Poisonous

    Photo of common cinquefoil plants with flowers

    Common Cinquefoil

    Potentilla simplex
    Photo of early buttercup plant with flower
    Photo of false aloe leaves in basal rosettes.

    False Aloe

    Manfreda virginica (formerly Agave virginica)
    Photo of false garlic flowers

    False Garlic

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

    Grasses

    All true grasses (species in the grass family).
    Photo of green dragon plant showing flower and leaves.

    Green Dragon

    Arisaema dracontium
    Poisonous Icon

    Poisonous

    Photo of Harvey's buttercup plant with flowers

    Harvey’s Buttercup

    Ranunculus harveyi
    Photo of hispid buttercup plant with flower

    Hispid Buttercup

    Ranunculus hispidus
    Photo of Indian paintbrush flowers

    Indian Paintbrush

    Castilleja coccinea
    Photo of lance-leaved loosestrife plant with flowers

    Lance-Leaved Loosestrife

    Lysimachia lanceolata
    Photo of purple meadow parsnip foliage and flowers

    Meadow Parsnip

    Thaspium trifoliatum
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of ox-eye daisies in a grassy field

    Ox-Eye Daisy

    Leucanthemum vulgare (formerly Chrysanthemum leucanthemum)
    Photo of prairie alum root flower stalk with flowers

    Prairie Alum Root

    Heuchera richardsonii
    Photo of a prairie dock flowerhead

    Prairie Dock (Prairie Rosinweed)

    Silphium terebinthinaceum
    Photo of prairie parsley flower cluster.

    Prairie Parsley

    Polytaenia nuttallii
    Photo of purple-headed sneezeweed flowerhead showing round, purplish disk.

    Purple-Headed Sneezeweed

    Helenium flexuosum
    Photo of path rush, closeup showing drying fruits.

    Rushes

    Juncus spp. and Luzula spp.
    Photo of eastern woodland sedge plant growing among leaf litter.

    Sedges

    Carex, Schoenoplectus, Scirpus, and other genera
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    Photo of wood betony plants with flowers

    Wood Betony (Common Lousewort)

    Pedicularis canadensis
    Photo of wood spurge flowers.

    Wood Spurge

    Euphorbia commutata
    Photo of two small yellow lady’s slipper flowers

    Yellow Lady’s Slipper

    Cypripedium calceolus
    Photo of yellow star grass plant with flowers

    Yellow Star Grass

    Hypoxis hirsuta
    Photo of yellow violet plant with flower

    Yellow Violet

    Viola pubescens (formerly V. pensylvanica)
    fork and knife icon

    Edible

    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

    Yucca smalliana, Y. glauca, and Y. arkansana