Invasive Kelp Spreads into New Territory (U.S. National Park Service) WakameNews Invasive Kelp Spreads into New Territory (U.S. National Park Service) Anggun Sasmita December 13, 2024 A dock in Ventura Harbor with an Undaria infestation just below the waterline. Undaria was first discovered... Read More Read more about Invasive Kelp Spreads into New Territory (U.S. National Park Service)