Betula nigra Betula nigra Betula nigra, the black birch, river birch or water birch, is a species of birch native to the Eastern United States from New Hampshire west to southern Minnesota, and south to northern Florida and west to Texas. It is one of the few heat-tolerant birches in a family of mostly cold-weather trees which do not thrive in USDA Zone 6 and up. "B. nigra" commonly occurs in floodplains and swamps. "Betula nigra" is a deciduous tree growing to with a trunk in diameter. The base of the tree is often divided into multiple slender trunks. Bark Bark characteristics
Cajeput tree Cajeput tree Cajeput tree is a common name used for certain classification of tree that has a white spongy bark that is flexible and can easily flake off the trunk. The Cajeput tree is of the genus "Melaleuca", native to Australia and is commonly known in North America as the Tea Tree. The name "Cajeput tree" is primarily used for the species "M. cajuputi", "M. leucadendra", "M. linariifolia", "M. viridiflora" and "M. quinquenervia". Other names for these trees are the paperbark tree, punk tree, or the white bottle brush tree. Similar subtropical trees from the eucalyptus family are evergreens with