https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13956806Edit ImageSaveSaveEditCropCustom TextSeven flowering plants, all species of the genus Penstemon. Coloured lithograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 875 x 1200 px | 300 dpiLarge JPEG 2358 x 3234 px | 300 dpiFree DownloadSeven flowering plants, all species of the genus Penstemon. Coloured lithograph.More