https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/2630534Edit ImageSaveSaveEditCropCustom TextThistle (Cirsium arizonica) (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFPortrait Card 5 x 7" JPEG 1429 x 2000 px | 300 dpiLarge JPEG 2500 x 3500 px | 300 dpiBest Quality JPEG 4553 x 6374 px | 300 dpiPortrait Card 5 x 7" TIFF 1429 x 2000 px | 300 dpiBest Quality TIFF 4553 x 6374 px | 300 dpi | 166.1 MBFree DownloadThistle (Cirsium arizonica) (1938) by Mary Vaux Walcott. Original from The Smithsonian. Digitally enhanced by rawpixel.More