Prioritizing weed threats begin with stakeholder meetings to design the prevention program. Local weed experts, field ecologists, and ranchers prioritize noxious weeds on the basis of competitive abilities, ease of transport, and presence in nearby sites or neighboring counties.

Prevention actions are site-specific and originate from participants to ensure project ownership and implementation. The weeds threatening to invade new sites in eastern Montana largely include leafy spurge, spotted, diffuse, and Russian knapweed, Dalmatian and yellow toadflax, whitetop, and saltcedar (right). These weeds are featured in the “Weed Alert” series, published by Montana State University Extension (below).

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