Also known as Quercus rubra. The branch of a Northern Red Oak tree, native to northeastern United States.
Sargent, Charles Sprague Manual of the Trees of North America (Boston, MA: Houghton Mifflin Company, 1905)
2400×1265, 486.9 KiB
1024×539, 93.0 KiB
640×337, 49.5 KiB
320×168, 18.0 KiB