Abstract: While preparing a contribution of the oaks of China for the Second International Oak Conference and for the book Oak of the World (in preparation by Guy Sternberg et al.), some problems were found in Chinese taxonomic literature. Some confusion had been caused by these mistakes. The nomenclatures of five oaks is corrected in this paper. For each oak, the correct name and authority is given, followed by pre-vious(invalid ) names.

Key words: Quercus