Did you know?
The hardest tree in the world is known as the Bull-oak or Allocasuarina luehmannii (short name!). It's wood is said to have a Janka hardness of 22,500 N and is native to the east side of Australia.
https://en.wikipedia.org/wiki/Allocasuarina_luehmannii
https://wtlandcare.org/details/allocasuarina-luehmannii/