The Eastern White Pine.
The Pine Tree State. Because it has a lot of Pine Trees.
Maine has A LOT of pine trees.
Maine's nickname: The Pine Tree State. It is called that because Maine has many pine trees.
The Ohio Buckeye is the official state tree of Ohio.
The White Oak is the Official State Tree of Maryland.
The tulip tree is the official state tree of Indiana.
The Kukui nut tree (Candlenut tree) is the state tree. I do not think there is an official state nut- but the macadamia is pretty popular!
Tourmaline is the Official Maine gemstone.
The Pine is the official state tree of Arkansas.
The American Elm is the official state tree of Massachusetts.
There is no state with the water oak as an official state tree.
The willow ptarmigan is the official state tree in Alaska. Sitka spruce is the official state tree in Alaska. Alaska's state flower is the alpine forget-me-not.