https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990413Edit ImageSaveSaveEditCropCustom TextAdder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line engraving by J. Basire, the younger, c. 1759, after T. Sheldrake.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 712 x 1200 px | 300 dpiLarge JPEG 1110 x 1871 px | 300 dpiFree DownloadAdder's tongue (Ophioglossum vulgatum L.): fertile stem with description of the plant and its medicinal uses. Coloured line engraving by J. Basire, the younger, c. 1759, after T. Sheldrake.More