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
Thuja occidentalis its common names, it is not a true cedar in the genus "Cedrus", nor is it related to the Australian white cedar, "Melia azedarach". Unlike the closely related western red-cedar ("Thuja plicata"), northern white-cedar is only a small or medium-sized tree, growing to a height of tall with a trunk diameter, exceptionally to tall and diameter. The tree is often stunted or prostrate in less favorable locations. The bark is red-brown, furrowed and peels in narrow, longitudinal strips. Northern white-cedar has fan-like branches and scaly leaves. The foliage forms in flat sprays with scale-like leaves long. The seed cones are