Photo of green dragon plant showing flower and leaves.

    Green Dragon

    Arisaema dracontium
    Poisonous Icon

    Poisonous

    Photo of pale Indian plantain flower clusters.

    Pale Indian Plantain

    Arnoglossum atriplicifolium (also Cacalia atriplicifolia)
    Photo of white avens flower and upper stem leaves.
    Photo of soapweed, a type of yucca

    Yuccas (Spanish Bayonet; Soapweed)

    Yucca smalliana, Y. glauca, and Y. arkansana