Mountain Ash (Eucalyptus regnans), fallen along the Russel Falls track, Mt Field National Park
Fallen Mountain Ash (Eucalyptus regnans), Russell Falls, Mt Field National Park (photograph: Joe Shemesh)

Giant ash

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​The giant a​sh is the tallest tree species in Australia and second tallest in the world. It can also lay claim to the title of the tallest flowering plant on earth. Its name - regnans - is from the Latin word regnare, which means ‘to rule’. There are several giant ash trees more than 70 metres high along the Russell Falls track at Mount Field National Park. Th​ese trees are estimated to be 350-450 years old. 

​Common name: Giant ash, mountain ash, swamp gum 

Scientific name: Eucalyptus regnans

Where to see​​