Betula utilis to overuse of the tree for firewood. "Betula utilis" was described and named by botanist David Don in his "Prodromus Florae Nepalensis" (1825), from specimens collected by Nathaniel Wallich in Nepal in 1820. "Betula jacquemontii" (Spach), first described and named in 1841, was later found to be a variety of "B. utilis", and is now "Betula utilis" var. "jacquemontii". In its native habitat, "B. utilis" tends to form forests, growing as a shrub or tree reaching up to tall. It frequently grows among scattered conifers, with an undergrowth of shrubs that typically includes evergreen "Rhododendron". The tree depends on moisture
Eucalyptus sessilis Ranges and Walter James Range in Western Australia. It is also scattered through the Finke River basin, Great Sandy Desert and Burt Plains. Eucalyptus sessilis Eucalyptus sessilis, commonly known as Finke River mallee or river mallee, is a mallee tree that is native to the Northern Territory and central areas along the border of Western Australia. The tree has a spreading and straggly habit, is typically in height, and occurs on stony slopes. Its bark is smooth and peels away in strips when shed. The flowering period is between April to July, the stamens that appear from the capsule are