https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13954967Edit ImageSaveSaveEditCropCustom TextQuillwort (Isoetes echinospora): entire plant with spores and floral segments. Coloured lithograph by W. Fitch, c. 1863, after himself.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 730 x 1200 px | 300 dpiLarge JPEG 1222 x 2008 px | 300 dpiFree DownloadQuillwort (Isoetes echinospora): entire plant with spores and floral segments. Coloured lithograph by W. Fitch, c. 1863, after himself.More