Treessssssssssssssssssssssssssss

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Across
  1. 3. grows quickly, resistant, adaptive
  2. 6. most of it is edible
  3. 8. can restore ecosystems
  4. 9. can grow anywhere
  5. 11. wasn't actually chopped down by washington
  6. 12. shares name with grasshopper-like bug
  7. 13. produces beloved nuts but almost wiped by disease
  8. 15. canada, syrup, acer rubrum
  9. 17. very old, smelly
  10. 19. pyramid shaped, may be poisonous
  11. 20. camouflage bark, grows fast
Down
  1. 1. flexible, sad
  2. 2. needles grow directly from the branch
  3. 4. pick some nuts and eat them raw or dried
  4. 5. most durable, most generic
  5. 7. found when you ski
  6. 8. regenerates using roots
  7. 10. bark looks like fur
  8. 14. a teacher at welsh valley
  9. 16. christmas
  10. 18. soft, light, weak