Betula pubescens planted trees, while naturally regenerated trees seem less susceptible. This disease also affects "Betula pendula" and in 2000 was reported at many of the sites planted with birch in Scotland during the 1990s. The outer layer of bark can be stripped off the tree without killing it and can be used to make canoe skins, drinking vessels and roofing tiles. The inner bark can be used for the production of rope and for making a form of oiled paper. This bark is also rich in tannin and has been used as a brown dye and as a preservative. The bark
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