Noxious weeds, like knapweed, leafy spurge and Canada thistle are spreading across the Montana landscape and hunters in the state need to be aware of these silent invaders, according the Montana Fish, Wildlife & Parks’ statewide noxious weed coordinator Adam Brooks. "These insidious plants are capable of out-competing most of our native vegetation and pose a serious threat to grazing lands and the stability of stream banks and lakeshores everywhere," Brooks says. "Hunters and other sportsmen have an opportunity to help protect our lands if they are weed-aware and use that knowledge when they’re on the land. Brooks recommends that sportsmen: