Tree-ring width of Quercus species from historical object sample 6749B/01C, Germany, Oberderdingen-Flehingen@en

Species: Quercus species; No of rings: 121; first year: 1673; tree-death year: 1794; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent物种：栎属（Quercus）植物；年轮总数：121；最早年轮对应年份：1673；树木死亡年份：1794；髓心：不适用；心材：缺失；边材：缺失；边材年轮数：0；树皮下最晚年轮：缺失