Eucalyptus regnans
Tasmanian oak refers to the hardwood produced by three trees: Eucalyptus regnans, Eucalyptus obliqua or Eucalyptus delegatensis, when it is sourced from the Australian state of Tasmania.
Despite the common name 'oak', none of the species are in the genus Quercus.
https://en.wikipedia.org/wiki/Tasmanian_oak
