
          the bark of 
paper birch is bright white with small elongated marks
 
        
          the barl of 
pin oak is grey - grayish green with shallow grooves 
 
        
          the bark of 
plane tree grey - brown, covered in small scales, scaly
 
        
        
          the bark of 
red oak is light grey, smooth and shiny 
 
        
        
        
        
        
        
          the bark of 
service tree is grey with small scales and shallow grooves 
 
        
          the bark of 
sessile oak is grey and smooth, later deep grooves 
 
        
          the bark of 
silver lime is grayish green with shallow grooves 
 
        
          the bark of 
silver maple is grayish brown first smooth and later with elongated grooves 
        
 
        
        
        
        
          the bark od 
stripped 
          maple has first green and white stripes later brown