May 22, 2001 — The unchecked spread of invasive plants is causing alarm throughout the Great Lakes region. Invasives are plants that are often imported for ornamental use, and have now gone wild and spread to places they're not wanted. The concern over these plants is so great that hundreds of land managers, educators, botanists and others attended a recent conference in Eau Claire, Wisconsin to learn more about the problem. From the Great Lakes Radio Consortium.