https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951971Edit ImageSaveSaveEditCropCustom TextCape pondweed or water hawthorn (Aponogeton distachyus): flowering stems and leaves. Coloured zincograph by L. Constans, c. 1851, after himself.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 912 x 1200 px | 300 dpiLarge JPEG 2445 x 3216 px | 300 dpiFree DownloadCape pondweed or water hawthorn (Aponogeton distachyus): flowering stems and leaves. Coloured zincograph by L. Constans, c. 1851, after himself.More