Also known as Quercus nigra. The branch of a Water Oak tree, native to the southeastern United States.
Sargent, Charles Sprague Manual of the Trees of North America (Boston, MA: Houghton Mifflin Company, 1905)
2400×1277, 347.8 KiB
1024×544, 67.0 KiB
640×340, 36.4 KiB
320×170, 13.6 KiB