Photo of buffalo bur flower and leaves.

    Buffalo Bur (Kansas Thistle)

    Solanum rostratum
    Poisonous Icon

    Poisonous

    Photo of Indian paintbrush flowers

    Indian Paintbrush

    Castilleja coccinea
    Photo of moth mullein flowers

    Moth Mullein

    Verbascum blattaria
    Photo of mullein basal leaves

    Mullein

    Verbascum thapsus
    Photo of viper’s bugloss, closeup of flower

    Viper's Bugloss

    Echium vulgare