Photo of ashy sunflowers showing flowers, leaves, and stems.

    Ashy Sunflower

    Helianthus mollis
    Photo of Chinese yam showing leaves and bulbils

    Chinese Yam

    Dioscorea oppositifolia (sometimes called D. batatas)
    invasive icon

    Invasive

    Photo of common St. John’s-wort flower with spent flowers and fruits

    Common St. John’s-Wort

    Hypericum perforatum
    Photo of several big bluestem seed heads against a blue sky.

    Grasses

    All true grasses (species in the grass family).
    Photo of the upper portions of two Jerusalem artichoke plants.

    Jerusalem Artichoke (Sunflower Artichoke)

    Helianthus tuberosus
    fork and knife icon

    Edible

    Photo of whorled milkweed flowers.

    Milkweeds

    Subfamily Asclepiadoideae
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    Photo of yellow crownbeard flowerhead.

    Yellow Crownbeard

    Verbesina helianthoides