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Invasive Plants

Priority Ranking of Invasive Plants

The Fraser Valley Invasive Species Society holds regular strategic planning sessions where we update the list of priority species for management that field season and identify high priority areas for invasive plant management. We currently have four categories for invasive plants:

Species not known to occur in the region but likely to establish if introduced. Watch for, and if found, eradicate.
Species known to occur in limited distribution and low density. Eradicate if found.
Established infestations found in portions of the region. Contain existing infestations and prevent spread to uninfested areas.
Established infestations common and widespread throughout the Fraser Valley. Focus control in high value areas and use biological control if available.

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