Tree-ring width of Quercus species from historical object sample 6240B/03A, Netherlands, Tolbert@en

Species: Quercus species; No of rings: 95; first year: 1476; end year: 1571; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：栎属（Quercus）物种；年轮数量：95；初始年份：1476年；终止年份：1571年；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下方的最后一轮年轮：缺失