Betula occidentalis odorless when scraped. The leaves are alternate, ovate to rhombic, long and broad, with a serrated margin and two to six pairs of veins, and a short petiole up to long. The flowers are wind-pollinated catkins long, the male catkins pendulous, the female catkins erect. The fruit is long and broad, composed of numerous tiny winged seeds packed between the catkin bracts. The identity of similar birches in Alaska is disputed; some include them in "B. occidentalis", while others regard them as hybrids between "Betula neoalaskana" and "Betula glandulosa". Some Plateau Indian tribes used water birch to treat pimples and
Eucalyptus redunca Eucalyptus redunca Eucalyptus redunca, commonly known as black marlock, black-barked marlock, wandoo or myrtan, is a tree species in the genus "Eucalyptus" that is native to Western Australia. "E. redunca" produces a tannin of the condensed type. The mallee tree typically grows to a height of but can reach as high as . It has smooth bark and a lignotuber. It blooms between July and November producing yellow flowers. The bark is smooth and a light light brown colour that becomes grey or dark grey brown and peels off in ribbons. The tree has a well-rounded canopy and is one