Photo of pale Indian plantain flower clusters.

    Pale Indian Plantain

    Arnoglossum atriplicifolium (also Cacalia atriplicifolia)
    Photo of rattlesnake master flower heads side view

    Rattlesnake Master

    Eryngium yuccifolium
    Photo of white snakeroot leaves and flowers

    White Snakeroot

    Ageratina altissima (formerly Eupatorium rugosum)
    Poisonous Icon

    Poisonous