Archived Invaders of the Month

Swamp Thistle (Cirsium palustre)- David Gumbart, The Nature Conservancy

Norway Maple (Acer plantanoides) - Chris Donnelly, CT Department of Environmental Protection

Oriental Bittersweet (Celastrus orbiculatus) - Glenn Dreyer, Connecticut College

Brittle Water Nymph (Najas minor) - Roslyn Selsky, Connecticut Agricultural Experiment Station

Tree of Heaven (Ailanthus altissima) - Rose Hiskes, Connecticut Agricultural Experiment Station

Garlic Mustard (Alliaria petiolata)- Charlotte Pyle, USDA Natural Resources Conservation Service

Japanese Barberry (Berberis thunbergii) - Bonnie Potocki

Japanese Knotweed (Polygonum cuspidatum) - Penelope Sharp, Environmental Consultant