Australia does not have an official national tree, but it does have a national floral emblem, which is the Golden Wattle.
the national tree is an elm tree
Switzerland does not have an official national tree.
The national tree of Greece is the olive tree.
I believe that the pine tree is the national Christmas tree.
India's national tree is the banyan tree
the canadien national tree is the maple tree
National tree of Persia (Iran) is Cherry tree.
The national tree of Yemen is the the Dragon Blood.
The birch tree is considered Russia's national tree.
Chile does not have a national tree, but a national flower, the "copihue".
Narra, pterocarpus is the Philippines' national tree.
The national tree of Italy is the Elm. :) The national tree of Italy is the elm. It you type "Italy's National Tree" into dogpile or Google it will come up as Elm.