Betula nigra catkins long, the male catkins pendulous, the female catkins erect. The fruit is unusual among birches in maturing in late spring; it is composed of numerous tiny winged seeds packed between the catkin bracts. "Betula nigra" is a tree that falls into the family of Betulaceae, which is commonly known as the Birch or Alder Family. This family comprises six genera ("Alnus, Betula, Carpinus, Corylus, Ostrya," and "Ostryopsis)" and includes alders, birches, hornbeams, and hazelnuts. Species within this family, along with "Betula nigra", are shrubs or trees that grow along stream sides or in poorly drained soils throughout the Northern
Eucalyptus sessilis 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 a yellow-cream colour. The tree has a spreading straggly habit and the bark is grey in colour. The tree forms a lignotuber from