Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of Carolina larkspur plants with flowers

    Carolina Larkspur (Prairie Larkspur)

    Delphinium carolinianum
    Poisonous Icon

    Poisonous

    Photo of flowering spurge flowers

    Flowering Spurge

    Euphorbia corollata
    Poisonous Icon

    Poisonous

    Photo of wild comfrey showing flower cluster

    Wild Comfrey

    Cynoglossum virginianum
    Poisonous Icon

    Poisonous