How Eucalyptus trees came to dominate Australia

https://www.architectureanddesign.com.au/features/comment/why-eucalypt-trees-dominate-australia

Eucalyptus tree identity guide:

https://www.gbcma.vic.gov.au/downloads/Biodiversity%20Current%20Projects/2017_-_November_-_Eucalyptus_tree_identity_guide_for_the_Strathbogie_Ranges_and_surrounds.pdf

Brittle Gum... leaf veins spread out from central main vein as in photo, and the young tree's leaves look totally different! But not all white-barked gums along the Mitta are Brittle Gums!...

Young Brittle Gum leaves:

Mature Brittle Gum leaves;

Another similar white-barked tree along the Mitta is called the White Sallee... which is the same as a Snow Gum, only at lower elevation!

Below are Snow Gums at Wallace's Hut on the High Plains. Same tree down along the Mitta... but look at the leaves; the veins all sprout from the base of the leaf...

White Sallee leaves;

And those darker-barked trees along the Mitta?... There's a ton of 'em at the Anglers Rest campground, Joker, Bundara launch area for the gorge and more... Black Sallee: