In Yunnan Province China, ethnic peoples use five species of lichens as foods (Lobaria isidiophora, L. kurokawae, L. yoshimurae, Ramalina conduplicans, and R. sinensis) and five others as health-promoting teas (Lethariella cashmeriana, L. sernanderi, L. sinensis, Thamnolia vermicularis, and T. subuliformis). Local traditions concerning the use of these lichens are described, and the natural-product chemical constituents of each species are given.