Created by the iMapInvasives Network
Welcome to iMapInvasives, New York's Online Invasive Species Database and Mapping System!
                      NY iMapInvasives Portal


"On a global basis...the two great destroyers of biodiversity are, first, habitat destruction, and second, invasion by exotic species..."
 E.O. Wilson (Strangers in Paradise, 1997)   
SPECIES OF THE MONTH: Knotweeds
 There are different types of invasive knotweeds in NY. Leaf size and flowers can help distinguish them, as spelled out in this handy guide from U of Idaho. If you are unsure which species it is, you can enter "Knotweed (species unknown)" into iMapInvasives. 

                  Reynoutria japonica - Japanese knotweed
                                                                      
    

Photo by: Steve Young, NYNHP



Photo by: Steve Young, NYNHP



Photo by: Leslie J. Mehrhoff

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