Predicting the future in the Northwest U.S.

A risk assessment for invasive plants in Idaho and Montana was recently published online. Using geographical and biological characteristics for over 500 species, the authors categorized 29 recently introduced plants (prior to 1950) as noxious weeds. Interestingly, less than half of these plants were on any noxious weed list from the Pacific Northwest. If you want to go directly to the list of noxious plant species, click here.