Tree Bark Self Examination

Eric P. Mayer

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Look at the picture and select the correct answer from the four presented. If you're sure you don't know the answer click "I have no idea" rather than make a wild guess.


  1. Bark thick, red-brown, and furrowed:
  2. Your answer:
    Red Oak
    Sassafras
    Shagbark Hickory
    Red Pine
    I have no idea



  3. Bark with shiny gray flattened ridges that have intervening darker fissures:
  4. Your answer:
    Slippery Elm
    Sugar Maple (mature)
    Red Maple
    Red Oak
    I have no idea



  5. Bark gray, breaking into long, thin plates, with a shaggy appearance:
  6. Your answer:
    Shagbark Hickory
    White Pine
    White Oak
    Osage-orange
    I have no idea



  7. Bark reddish-orange with scaly plates.
  8. Your answer:
    Hackberry
    Cottonwood
    Honeylocust
    Red Pine
    I have no idea



  9. Tree bark has flattened ridges with interlacing furrows.
  10. Your answer:
    Black Cherry
    White Ash
    Slippery Elm
    Sugar Maple (young)
    I have no idea



  11. Bark gray with hard, scaly plates:
  12. Your answer:
    Sugar Maple (mature)
    Silver Maple
    Red Pine
    Hackberry
    I have no idea



  13. Bark with irregular scaly plates:
  14. Your answer:
    Red Maple
    Sassafras
    White Pine
    Silver Maple
    I have no idea



  15. Bark has square or rectangular blackish plates:
  16. Your answer:
    Cottonwood
    Sugar Maple (mature)
    White Pine
    White Oak
    I have no idea



  17. Bark ashy gray, broken into small rectangular blocks.
  18. Your answer:
    White Oak
    Red Oak
    Osage-orange
    Slippery Elm
    I have no idea



  19. Bark dark brown-orange with interlacing furrows and flat textured ridges:
  20. Your answer:
    Honeylocust
    White Ash
    Osage-orange
    Black Cherry
    I have no idea



  21. Bark corky with warty projections:
  22. Your answer:
    Shagbark Hickory
    Red Maple
    Silver Maple
    Hackberry
    I have no idea



  23. Bark thick, ash-gray, and deeply furrowed:
  24. Your answer:
    White Ash
    Cottonwood
    Black Cherry
    White Pine
    I have no idea



  25. Bark nearly black, broken by fissures into plates or scaly ridges, with heavy clusters of thorns:
  26. Your answer:
    Honeylocust
    Slippery Elm
    Hackberry
    Silver Maple (young)
    I have no idea



  27. Bark nearly black, exfoliating into persistent scales with upturned edges:
  28. Your answer:
    White Oak
    Sassafras
    Black Cherry
    Osage-orange
    I have no idea



  29. Bark closely fissured with narrow parallel ridges:
  30. Your answer:
    Hackberry
    White Ash
    Sugar Maple (mature)
    White Pine
    I have no idea



  31. Bark gray, smooth to lightly furrowed:
  32. Your answer:
    Red Oak
    Shagbark Hickory
    Red Pine
    Sugar Maple (young)
    I have no idea



  33. Bark scaley broken into rectangular plates with narrow fissures
  34. Your answer:
    Red Maple
    Cottonwood
    Silver Maple
    Red Oak
    I have no idea



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