Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by origin]
6. biological material
7. plant material
8. [wood and wood by product]
9. wood (plant material)
10. [wood by composition or origin]
11. hardwood
12. oak (wood)

Anotations

Scope note:

In the lumber trade, a general term for wood of many species of oak, including Q. rubra, belonging to a subgroup of oak trees native to North and South America, characterized by having bristle-tipped leaves, acorns with hairy shell linings, and bitter seeds that mature in two seasons. Red oak wood is typically hard, coarse-grained and used commercially for flooring, furniture, cabinets, paneling, and millwork.