Okay, I didn't click to go to the last comment. Sorry everyone! That was the last on the first page. :\
So best advice from a life experience - Living for God means sometimes others' feelings will be hurt, but living for people will destroy you.
To answer your question, Galatea, the forests are in Pennsylvania actually, and the invasive species are mostly from Japan and China. There is an invasive flower from Pakistan, but it doesn't spread much here.
So, once again, on a scale from 1 to 10, how much of a geek are you?