FAIRFAX, Va. (7News) — Biologists in Virginia are sounding the alarm and asking residents to keep an eye out, to help eradicate an invasive plant species they say is spreading across Northern Virginia ...
A second species of invasive water chestnut, Trapa bispinosa, covers the surface of a lake in Fairfax County, VA. (Photo courtesy of Nancy Rybicki) It springs to life each year in freshwater ponds and ...