Invasive species photo gallery
Non-native plant species
Inclusion in the list does not imply any legal restrictions for these plants. However, these plants and some of their cultivars have the potential to invade wild areas, outcompete native species, and degrade habitats. Some species may even cause extensive ecological damage.
This field guide has been developed to provide ID and control information for terrestrial invasive plants. Printed copies are now available to order using this order form, or feel free to download and print off now from our publication catalog.
Click on a thumbnail to view photos available for that plant species, or view these plant species sorted by common name.
For further plant identification assistance, visit University of Wisconsin Weed ID.
See also native plant species.