Tree-ring width of Quercus species from historical object sample 5888B/03A, Netherlands, Holwierde

Species: Quercus species; No of rings: 89; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：栎属（Quercus species）；年轮数量：89；年龄未确定；木质部：不适用；心材：不存在；边材：不存在；边材年轮数：0；树皮下的最后一轮年轮：不存在