Hoyt Arboretum, Portland, Oregon, USA

Alnus rubra

• 1: 1600 s, 0 e (ST 1600,0) • Accession: 1929-2116/1
  
• 2: 1900 s, 300 e (ST 1900,300) • Accession: 1929-2658/1
  
• 3: 1900 s, 300 e (ST 1900,300) • Accession: 1929-2659/1
  
• 4: 2400 s, 2400 e (ST 2400,2400) • Accession: 1929-3473/1
  
• 5: 2600 s, 1600 e (ST 2600,1600) • Accession: 1929-3623/1
  
• 6: Herbarium (HERB) • Accession: 2019-077 • Origin: United States of America • Provenance: Wild