(DC) (Rock Creek Conservancy) Join Rock Creek Conservancy, the National Park Service, and Weed Warrior Leader Rena Subotnik for this invasive plant removal restoration event in Rock Creek Park. Invasive plants are a major threat to our fragile forests, and stopping their spread helps allow for a thriving native understory. Event location, directions, and information will be sent from the event leader 48 hours prior to the event.