Compiled by Piers Trehane for the International Oak Society,
International Cultivar Registration Authority (ICRA) for the genus Quercus

The 2011 edition of the database is freely available for checking the status of oak names. Over the past year the general layout of the site been changed to improve navigation and there are many new features. Click on the "What's New" button above to find out more. Descriptive and historical information on oak cultivars will continue to be added over the year. Please revisit these pages from time to time to keep up to date with the data. The compiler would be glad to hear of any omissions and errors: please use the feedback button at the top of a page to contact him.