Hoyt Arboretum, Portland, Oregon, USA

Betula lenta

• 1: 1100 s, 1600 e (ST 1100,1600) • Accession: 2003-294/2 • Origin: United States of America • Provenance: Wild
  
• 2: 2200 s, 200 e (ST 2200,200) • Accession: 1936-2997/1
  
• 3: 600 s, 200 e (ST 600,200) • Accession: 2015-275/1 • Origin: United States of America • Provenance: Wild
  
• 4: Herbarium (HERB) • Accession: 1936-2997 (2)‎