Thomas Denk, Guido W. Grimm, Paul S. Manos, Min Deng, Andrew L. Hipp: An Updated Infrageneric Classification of the Oaks: Review of Previous Taxonomic Schemes and Synthesis of Evolutionary Patterns. In: Eustaquio Gil-Pelegrín, José Javier Peguero-Pina, Domingo Sancho-Knapik (Hrsg.): Oaks Physiological Ecology. Exploring the Functional Diversity of Genus Quercus L. Springer International Publishing, Cham 2017, ISBN 978-3-319-69099-5, S.13–38, doi:10.1007/978-3-319-69099-5_2.
