Photo of American feverfew flower cluster.

    American Feverfew

    Parthenium integrifolium
    Photo of clasping Venus' looking glass, a blue wildflower

    Clasping Venus’ Looking Glass

    Triodanis perfoliata (formerly Specularia perfoliata)
    Photo of climbing false buckwheat vines, leaves, and flowers.

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Photo of tall thoroughwort plant with flowers

    Common Boneset (Thoroughwort)

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

    Corn Salad

    Valerianella radiata
    fork and knife icon

    Edible

    Deptfort pink blooming in an open area

    Deptford Pink

    Dianthus armeria
    Photo of dwarf larkspur flowers with leaf

    Dwarf Larkspur

    Delphinium tricorne
    Poisonous Icon

    Poisonous

    Photo of dwarf spiderwort flower clusters

    Dwarf Spiderwort (Wild Crocus)

    Tradescantia longipes
    Photo of early saxifrage plant with flower

    Early Saxifrage

    Micranthes virginiensis (sometimes Saxifraga virginiensis)
    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of Fremont’s leather flower

    Fremont’s Leather Flower

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

    Grasses

    All true grasses (species in the grass family).
    Photo of hogwort plant showing upper stem leaves and flowers.

    Hogwort (Woolly Croton)

    Croton capitatus
    Photo of horseweed flowers

    Horseweed (Canada Fleabane, Hog Weed)

    Conyza canadensis (formerly Erigeron canadensis)
    Photo of Indian hemp plant

    Indian Hemp (Dogbane)

    Apocynum cannabinum
    Poisonous Icon

    Poisonous

    Image of Johnny-jump-up.

    Johnny-Jump-Up (Field Pansy)

    Viola bicolor
    fork and knife icon

    Edible

    Photo of a large-flowered gaura inflorescence

    Large-Flowered Gaura

    Oenothera filiformis (formerly Gaura longiflora, G. biennis)
    Photo of long-leaved bluets plants with flowers

    Long-Leaved Bluets (Slender-Leaved Bluets)

    Houstonia longifolia (sometimes Hedyotis longifolia)
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of moth mullein flowers

    Moth Mullein

    Verbascum blattaria
    Photo of narrow-leaved vervain plants in bloom.

    Narrow-Leaved Vervain

    Verbena simplex
    Photo of pale purple coneflower showing white pollen among disk florets

    Pale Purple Coneflower

    Echinacea pallida
    No photo available

    Philadelphia Fleabane

    Erigeron philadelphicus
    Photo of dense stand of prairie blazing star or gayfeather at Pawnee Prairie

    Prairie Blazing Star (Gayfeather)

    Liatris pycnostachya
    fork and knife icon

    Edible

    Photo of pussytoes showing fuzzy white flowering heads

    Pussytoes (Indian Tobacco)

    Antennaria parlinii
    Photo of rose verbena, or rose vervain, flower cluster showing leaves

    Rose Verbena (Rose Vervain)

    Glandularia canadensis (formerly Verbena canadensis)
    Photo of eastern woodland sedge plant growing among leaf litter.

    Sedges

    Carex, Schoenoplectus, Scirpus, and other genera
    Photo of small bluet flower showing purplish center

    Small Bluet (Tiny Bluet)

    Houstonia pusilla (H. minima; Hedyotis crassifolia)
    Photo of spiked lobelia flower stalk.

    Spiked Lobelia

    Lobelia spicata
    spotted knapweed

    Spotted Knapweed

    Centaurea stoebe
    invasive icon

    Invasive

    Photo of tall thistle plants with flowers

    Tall Thistle

    Cirsium altissimum
    fork and knife icon

    Edible

    Photo of a tall thoroughwort plant in bloom.
    Photo of white crownbeard plant with flowers

    White Crownbeard

    Verbesina virginica
    Photo of white heath aster flowers

    White Heath Aster

    Symphyotrichum pilosum (formerly Aster pilosus)
    Photo of white snakeroot leaves and flowers

    White Snakeroot

    Ageratina altissima (formerly Eupatorium rugosum)
    Poisonous Icon

    Poisonous

    Photo of wild potato vine flowers and leaves

    Wild Potato Vine

    Ipomoea pandurata
    fork and knife icon

    Edible