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. alder (wood)

Anotations

Scope note:

Wood of the tree belonging to the species Alnus glutinosa, native to Europe, the British Isles and Africa. It is dull, light reddish-brown in color and is used for making broom and brush backs, hat blocks, toys, and wooden shoes.