Eucalyptus regnans
Eucalyptus regnans is the tallest of all flowering plants, and possibly the tallest of all plants, although no living trees can make that claim. The tallest tree, named "Centurion", stands 99.6 metres tall in Tasmania. There are 16 living trees in Tasmania that have been measured taller than 90 metres. The tallest tree ever found was the "Ferguson Tree", at 132.6 metres, found in the Watts River region of Victoria in 1872. It had fallen over and was measured by William Ferguson, the Inspector of State Forests. The top of the tree had broken off, but the trunk was still more than one metre in diameter. Ferguson guessed the tree would have been more than 152 metres in height.