https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13961869Edit ImageSaveSaveEditCropCustom TextFour poisonous plants: hemlock (Conium maculatum), henbane (Hyoscyamus niger), opium lettuce (Lactuca virosa) and autumn crocus (Colchicum autumnale). Coloured engraving by J. Johnstone.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 720 x 1200 px | 300 dpiLarge JPEG 2100 x 3500 px | 300 dpiBest Quality JPEG 2113 x 3521 px | 300 dpiFree DownloadFour poisonous plants: hemlock (Conium maculatum), henbane (Hyoscyamus niger), opium lettuce (Lactuca virosa) and autumn crocus (Colchicum autumnale). Coloured engraving by J. Johnstone.More