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

    Climbing False Buckwheat (Crested Buckwheat)

    Fallopia scandens (formerly Polygonum scandens)
    Photo of various duckweeds and watermeal on water surface

    Duckweeds (Watermeal)

    Lemna spp.; Spirodella spp.; Wolffia spp.
    Photo of pokeweed plant with dangling stalks of ripe and unripe berries.

    Pokeweed

    Phytolacca americana
    Poisonous Icon

    Poisonous

    Photo of a spatterdock flower held against a leaf

    Spatterdock (Yellow Pond Lily)

    Nuphar advena (formerly N. lutea)
    fork and knife icon

    Edible

    Photo of white avens flower and upper stem leaves.