Guess that Invasive Plant (5/5)Online version GAME 5/5: Guess the native Charles River Plant using the clues to the side of the image! Then, advance to the next game using the arrows at the top of the page! by Charles River Conservancy 1 Invasive climbing vine that produces characteristic long seed pods Hints 1 Vines are toxic or very distasteful to deer and many types of insects 2 Is in the same family as the milkweed plant and can confuse monarch butterflies, who may lay their eggs on the vines even though the larvae will not survive