When this occurs I can resolve it by completely shutting down the Minecraft client (on PC). Simply exiting the game world and reloading does not resolve it.
It looks as though when the tree is spawning its selecting from the entire random list of spawned trees and not just the different height, normal, leafy trees.
@jayla I migrated my account and it said I was playing offline. So I click Reauth Account. It says the account information is incorrect no matter what I put in. If I try to use my e-mail address it says Gone (410) - The requested resource is no longer available at the server and no forwarding address is known.
I have narrowed the issue down to Forge installations. When I try to play Minecraft Forge that is the only time I see the authentication issue.