Hoyt Arboretum, Portland, Oregon, USA

Quercus nigra

• 1: 1200 s, 1200 e (ST 1200,1200) • Accession: 1928-1803/1
  
• 2: 800 s, 1200 e (ST 800,1200) • Accession: 1942-1123/1
  
• 3: 800 s, 1200 e (ST 800,1200) • Accession: 1942-1126/1
  
• 4: 800 s, 1200 e (ST 800,1200) • Accession: 1942-1127/1
  
• 5: 800 s, 1200 e (ST 800,1200) • Accession: 1942-1131/1
  
• 6: Herbarium (HERB) • Accession: 1928-1803
  
• 7: Herbarium (HERB) • Accession: 1942-1127
  
• 8: Herbarium (HERB) • Accession: 1942-1131