Bark – young bark is smooth, older bark has flat topped ridges with shallow fissures; inner bark is light red. The northern red oak (Quercus rubra) is a medium sized tree that grows up to 90 feet, is ...

This week, we take a look at the sixth of our oak varieties in Indiana, the Northern Red Oak or Quercus rubra. This native species is easily identified by its bark and its acorn. The bark looks like ...