https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/326944Edit ImageSaveSaveEditCropCustom TextEnglish oak (Quercus) robur illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and James Morss Churchill.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 902 x 1200 px | 300 dpiLarge JPEG 2631 x 3500 px | 300 dpiBest Quality JPEG 3383 x 4500 px | 300 dpiTIFF 3383 x 4500 px | 300 dpi | 87.15 MBFree DownloadEnglish oak (Quercus) robur illustration. Digitally enhanced from our own book, Medical Botany (1836) by John Stephenson and James Morss Churchill.More