It is a tall forest tree from at least seven populations in sheltered gullies in the sandstone ranges north - west of Sydney .
Eucalypus expressa , the Wollemi stringybark , is a recently discovered Australian tree species .
Eucalypus expressa is a tall stringybark   from at least seven populations in sheltered gullies in the sandstone ranges north - west of Sydney .
Eucalypus expressa , the Wollemi stringybark , is a recently discovered Australian tree species .