Dr. Quinney, should we also be looking at invading native species that have expanded their ranges due to human landscape modifications? I'm getting away from plants for a minute, but let's take a look at some of the mammals--the skunks, foxes, racoons, opossums, and so on--that are really expanding their range and have done great harm to the reptile and amphibian populations in southern Ontario, for example. They're native species, but they have expanded beyond what was their traditional range. Should we be controlling them?
On December 1st, 2011. See this statement in context.