Black Jack Oak Acorn Small 225×320 Medium 449×640 Large 718×1024 Download Tiff Original 1098×1565 | (1.7 MB) Description This shows the acorn of Black Jack Oak, Quercus marilandica, (Keeler, 1915). Keywords acorn, Black Jack Oak, Botany, fruit, koak, Oak Family, Quercus, seeds Galleries Oak Trees, Trees: A Source: Harriet L. Keeler, Our Native Trees and How To Identify them (New York:Charles Scribner's Sons, 1915) 372
