Photo of autumn sneezeweed flowerheads, closeup.

    Autumn Sneezeweed

    Helenium autumnale
    Photo of columbine flower closeup

    Columbine

    Aquilegia canadensis
    Poisonous Icon

    Poisonous

    Photo of combleaf yellow false foxglove showing flowers and leaves.

    Combleaf Yellow False Foxglove

    Aureolaria pectinata (formerly Gerardia pedicularia)
    Photo of common ground cherry flower

    Common Ground Cherry

    Physalis longifolia
    fork and knife icon

    Edible

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

    Grasses

    All true grasses (species in the grass family).
    Photo of purple-headed sneezeweed flowerhead showing round, purplish disk.

    Purple-Headed Sneezeweed

    Helenium flexuosum
    Photo of many blooming ashy sunflower plants, showing gray-green leaves.

    Sunflowers

    Helianthus spp.
    Photo of wholeleaf rosinweed flowerhead

    Wholeleaf Rosinweed

    Silphium integrifolium