Below is an alphabetical listing (by scientific name) of some of the invasive species in our region. (Click on the column header to sort by that column).
Tier 4 - Widespread species are common in this region as well as in most surrounding areas.
Tier 3 - Established species are relatively widespread throughout the region but may not be present in neighboring regions.
Tier 2 - Emerging species are not yet widespread in the region but may be locally common.
Tier 1 - Threat species not yet reported in the region.