Tree-ring width of Quercus species from historical object sample 5929B/05A, Netherlands, Leiden@en

Species: Quercus species; No of rings: 75; first year: 1368; end year: 1443; 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：75；生长起始年份：1368；生长终止年份：1443；髓心（Pith）：不适用；心材（Heartwood）：缺失；边材（Sapwood）：缺失；边材年轮数：0；树皮下末次年轮：缺失