I know that chamelon plant is extremely invase, and can give some people migrains especially when one is trying to pull it out! google up plantfiles+chemelion plant and it give you just about all the info you would want!
Helping the world one seed at a time
When weeding, the best way to make sure you are removing a weed and not a valuable plant is to pull on it. If it comes out of the ground easily, it is a valuable plant. Mary Ann LaPensee