Tree-ring width of Quercus species from historical object sample 6711B/07M, Netherlands, Alkmaar@en

Species: Quercus species; No of rings: 88; first year: 1479; tree-death year: 1567; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：栎属（Quercus）物种；年轮总数：88；首个年轮年份：1479；树木死亡年份：1567；髓（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下末次年轮：缺失