Quercus is the botanical genus to which oak belongs. The wine industry gets its oak form Quercus alba for American oak barrels, Quercus robur for European oak barrels, and Quercus suber for the bark used in making corks.

-see also:
"Quercus" is in the HS Code "4403.91"
  - -- Of oak (Quercus spp.)
Ref: 86257/2006-09-13

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