Betula cordifolia mature to about 3–5 cm long and bear winged nutlets about 2–3 mm long. "Betula cordifolia" is found in Atlantic Canada, Quebec, northwestern Ontario, Northern New York State, and New England. It is generally found in northern habitats or high elevations, particularly on moist ground. "Betula cordifolia" and "Betula papyrifera" are very similar species, indeed they were once considered the same species. The primary methods of distinguishing the one from the other include: Since many of these characteristics vary from tree to tree, ideally several of these characteristics should be noted before making a positive identification. It has been suggested
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