https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996495Edit ImageSaveSaveEditCropCustom TextPontederia dilata: flowering stem with separate floral segments. Line engraving by Mackenzie, c.1795.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 950 x 1200 px | 300 dpiLarge JPEG 1434 x 1812 px | 300 dpiFree DownloadPontederia dilata: flowering stem with separate floral segments. Line engraving by Mackenzie, c.1795.More