* Quercus mongolica genome website (https://www.ncbi.nlm.nih.gov/search/all/?term=JAAMOV000000000)
* Quercus dentata genome website (https://www.ncbi.nlm.nih.gov/assembly/GCA_028216015.1/)
* European Quercus portal database and resources (https://quercusportal.pierroton.inra.fr/#) with an overview of Quercus species biodiversity and biogeography
( https://quercusportal.pierroton.inra.fr/index.php?p=BIODIVERSITY)
* Quercus robur genome website (https://www.oakgenome.fr/)
* Quercus lobata genome project website (https://valleyoak.ucla.edu/)
* Quercus suber genome database (https://corkoakdb.org/)
* EUFORGEN European forest genetic resources programme (http://www.euforgen.org/) where you can find distribution maps of European species with Genetic Conservation Units and environmental zones
*Flora of China (http://www.iplant.cn/info/Quercus?t=foc)
*Oaks of the Americas (http://quercus.myspecies.info/)
*Asian Fagaceae (https://www.asianfagaceae.com/)
*International Oak Society (https://www.internationaloaksociety.org/)
*IUCN (https://www.iucn.org/)