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. Angiospermae (division)
8. Magnoliopsida (class)
9. Rosanae (superorder)
10. Malpighiales (order)
11. Salicaceae (family)

Narrower term/s

• Populus sect. Aegiros (taxonomic section)[+]
  • Populus nigra (species) [NP]
  • Populus deltoides (species) [NP]
  • Populus fremontii (species) [NP]
• Populus sect. Populus (taxonomic section)[+]
  • aspen (trees) [NP]
  • Populus alba (species) [NP]
• Populus sect. Tacamahaca (taxonomic section)[+]
  • Populus balsamifera (species) [NP]
  • Populus trichocarpa (species) [NP]
• Populus nigra (species)
• Populus deltoides (species)
• Populus tremula (species)
• aspen (trees)
• Populus tremuloides (species)
• Populus grandidentata (species)
• Populus canescens (species)
• Populus alba (species)
• Populus balsamifera (species)
• Populus trichocarpa (species)
• Populus fremontii (species)

Anotations

Scope note:

Genus containing around 35 species and several natural hybrids of rapid-growing but relatively short-lived trees deciduous trees native to the Northern Hemisphere.