Newslink: Whiskey Review: Westland Garryana 2017
In the United States, American oak is the king of whiskey. Sure, there are a few distilleries experimenting with French, Hungarian, or even Russian oak casks, but the vast majority of domestic whiskey production uses barrels made from Quercus alba, an oak indigenous to North America. Its flavor, that distinctive combination of caramel, coconut, and vanilla, is almost synonymous with the flavor of whiskey.
https://thewhiskeywash.com/whiskey-styles/american-whiskey/whiskey-review-westland-garryana-2017/