A valuable kind of Peruvian bark obtained from the
angostura bark, angustura bark, bark, bark beetle, bark louse, birch bark, cabbage bark, calisaya, canella bark, cartagena bark, cascarilla bark, cassia bark, chittam bark, chittem bark, cinchona bark, cinchona calisaya, cinnamon bark, dita bark, eleuthra bark, georgia bark, jesuit's bark, mancona bark, peruvian bark, quillaia bark, sassy bark, smooth bark kauri, spruce bark beetle, sweetwood bark, tapa bark, tappa bark, winter's bark, winter's bark family, winter's bark tree