http://wiki.esoui.com/Raw_globals_dump
search for ZO_
If you use Zgoo, another good way.
OR! game0000.dat ....
https://www.dropbox.com/s/9tbzbcgw7goxwh6/treenode.JPG
https://www.dropbox.com/s/3n6uqn9y0n59eg5/tree.JPG
I have no clue why the links wont work, copy by hand