Cell Structure. Between the two species, one of the most significant differences is in their cell structure. To observe this difference, take a look at the end grain of the boards of each species. On the White Oak board, you may notice, the pores in the fiber are found to be filled with tyloses. Due to the tyloses present in White Oak, it allows it to be utilized for water-bearing products such as wine and whiskey barrels. That is a key difference between White Oak and Red Oak. Red Oak does not possess th