Lake Placid, NY, Jul 23, 2009 — An invasive plant has been found thriving in Lake Placid. Variable-leaf water milfoil now covers nearly half an acre of the Lake. Hilary Smith is director of the Adirondack Park Invasive Plant Program. She says worries are growing over how this strain of milfoil could harm aquatic life. And she tells Jonathan Brown the invasive plant could spread quickly to other Adirondack Lakes.