First Coast residents can fight invasive species by participating in the 12th Annual First Coast Air Potato (and other invasive plants) Roundup Saturday, March 3, 9 a.m. – noon in Jacksonville, Florida and the surrounding area. The Invasive Species Management Branch of the U.S. Army Corps of Engineers Jacksonville District and partners at the First Coast Invasive Working Group host the event to celebrate National Invasive Species Awareness Week.