Photo of common cinquefoil plants with flowers

    Common Cinquefoil

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

    Corn Salad

    Valerianella radiata
    fork and knife icon

    Edible

    Photo of fire pink flowers

    Fire Pink

    Silene virginica
    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of foxglove beardtongue flowers

    Foxglove Beardtongue

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

    Grasses

    All true grasses (species in the grass family).
    Photo of lance-leaved loosestrife plant with flowers

    Lance-Leaved Loosestrife

    Lysimachia lanceolata
    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of royal catchfly flowers

    Royal Catchfly

    Silene regia
    Photo of small bluet flower showing purplish center

    Small Bluet (Tiny Bluet)

    Houstonia pusilla (H. minima; Hedyotis crassifolia)
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    Photo of cut-leaved teasel showing flowerhead and joined, cuplike leaves.

    Teasels

    Dipsacus fullonum and D. laciniatus
    invasive icon

    Invasive

    Photo of water milfoil plants along the shore of a pond

    Water Milfoils

    Myriophyllum spp.
    Photo of wild geranium plant with flowers