Mullein is an introduced plant with a long history of uses. Recognized by its velvety soft and large leaves, or massive missile-like flower stalks, it can be found throughout La Plata county. It is easily controlled through manual pulling, but it is also beneficial in many ways. It attracts insects which attract birds, who also eat the seeds. The seeds contain rotenone, making them poisonous to some animals. During times of heavy snow, the flower stalks can provide a food source for birds.