No photo available

    Caucasian Bluestem

    Bothriochloa bladhii
    invasive icon

    Invasive

    Photo of climbing false buckwheat vines, leaves, and flowers.

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Picture of a patch of filamentous green algae floating in a stream.

    Filamentous Green Algae (Pond Scum)

    Cladophora, Pithophora, and Spirogyra spp., and others
    Photo of a giant ragweed plant.

    Giant Ragweed

    Ambrosia trifida
    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 Johnson grass flower clusters

    Johnson Grass

    Sorghum halepense
    invasive icon

    Invasive

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of prairie alum root flower stalk with flowers

    Prairie Alum Root

    Heuchera richardsonii
    Photo of purple milkweed flower cluster

    Purple Milkweed

    Asclepias purpurascens
    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 tall fescue plants

    Tall Fescue

    Festuca arundinacea
    invasive icon

    Invasive

    Photo of white avens flower and upper stem leaves.
    Photo of white snakeroot leaves and flowers

    White Snakeroot

    Ageratina altissima (formerly Eupatorium rugosum)
    Poisonous Icon

    Poisonous

    Photo of wood nettle leaves at top of plant.

    Wood Nettle (Stinging Nettle)

    Laportea canadensis
    fork and knife icon

    Edible

    Photo of yellow bluestem plant

    Yellow Bluestem

    Bothriochloa ischaemum
    invasive icon

    Invasive