Bulletin #2536, Maine Invasive Plants: Invasive Plants Threaten Maine’s Natural Treasures Bulletin #2540, Non-Timber Forest Products: Goods from the Maine Woods: Ostrich Fern Fiddleheads, Matteuccia struthiopteris Bulletin #2550, European Fire Ant*: A New Invasive Insect in Maine Bulletin #2551, European Fire Ant: Management for Homeowners: Least Toxic Management Strategies Bulletin #2561, Native Trees and Shrubs