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. birch (wood)

Anotations

Scope note:

Wood of the species Betula papyrifera, native to northern and central North America. Almost white in color, it is used for flooring, furniture, canoes, and objects such as spools, bobbins, dowels, and crates.