Cogongrass (Imperata cylindrica): The Scourge of the Lake Wales Ridge Post author By admin Post date July 22, 2021 Categories In Cogongrass, Invasives, Non-Natives 2 Comments on Cogongrass (Imperata cylindrica): The Scourge of the Lake Wales Ridge Cogongrass is a growing machine meant to obliterate all other species. And given enough time, it will.