https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13969174Edit ImageSaveSaveEditCropCustom TextLeaves of oak (Quercus species). Watercolour drawing.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1007 x 1200 px | 300 dpiLarge JPEG 1701 x 2028 px | 300 dpiFree DownloadLeaves of oak (Quercus species). Watercolour drawing.More