Routes of Invasion: Tracing the Travels of Some of New England's Most Troublesome Plants

By looking at herbarium specimens and locations of plant populations, botanist Leslie Mehrhoff has been able to narrow down and in some cases definitively determine the first instance or entry point of an exotic plant’s introduction to North America. For some he has discovered the routes these plants first traveled, by what means of transport, and with whom they traveled, and shared. Part historian and sleuth, this invasive plant expert with tell some of the stories he has pieced together from historical documentation, and discuss what plant invasion means in a new global economy.

November 12, 2008, 6:30-8:30 pm