Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Plantae (kingdom)
7. Coniferophyta (division)
8. Pinopsida (class)
9. Pinales (order)
10. Pinaceae (family)
11. Pinus (genus)

Anotations

Scope note:

Species of pine known in several subspecies, growing as an evergreen shrub or tree, native to western North America. The name "contorta" refers to the twisted forms of some individuals growing at the coast.