Check with your state's Department of Natural Resources (or similar state entity).
Types? Or famous ones? Just look up 'list of (either famous or different types of) trees', this worked with me, I seriously tried it, I was curious too!
There are lots websites in and about Sanskrit. Please see the related link section below for a list of such sites.
Any competent gunsmith will be able to help you.
I have two bookcases full of reference books- and THEY do not show ALL of the guns that have been made. There is no one list.