New Aquatic Plant Invading Freshwater Habitats in Northern Virginia

In northern Virginia, two-horned trapa (Trapa bispinosa) is spreading to numerous ponds, lakes, and streams.

Zebra Mussels Discovered in Popular Aquarium Plants

The highly invasive mussels found inside marimo, a.k.a. "moss balls," on the shelves of pet stores throughout the United States.