Centaurea stoebe, spotted knapweed. Columbus, Montana. May 9, 2008. Original public domain image from Flickr https://www.rawpixel.com/image/3335480/free-photo-image-animal-aster-asteraceaeFree Image from public domain licenseUssuri thistle (Cirsium japonicum var. maackii (Maxim.) Matsum.). Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338684/free-photo-image-blossom-cc0-creative-commonsFree Image from public domain licenseThe lion dressed as king is presented with a bouquet of thistles by a mule while he is having his mane curled by a monkey… https://www.rawpixel.com/image/13993411/image-paper-cartoon-personFree Image from public domain licenseCheerful woman holding a blue thistle and a laptop https://www.rawpixel.com/image/937485/woman-holding-beautiful-flowersView licenseFlowers grow at Singletree Flower Farm in Goshen, Indiana June 29, 2022. Kate Friesen and Scott Kempf founded the fresh cut… https://www.rawpixel.com/image/11071360/photo-image-flower-plant-grassFree Image from public domain licenseSolanum rostratum, buffalobur nightshade. Columbus, Montana. August 11, 2007. Original public domain image from Flickr https://www.rawpixel.com/image/3335925/free-photo-image-abies-animal-asteraceaeFree Image from public domain licenseTook these pics on some walks around my hometown Lupburg in Bavaria. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3372314/free-photo-image-animal-bird-blossomFree Image from public domain licenseClose-up of Canada thistle flower. Original public domain image from Flickr https://www.rawpixel.com/image/3335212/free-photo-image-blossom-canada-thistle-cc0Free Image from public domain licenseCirsium avense, Canada thistle. Columbus, Montana. July 13, 2006. Original public domain image from Flickr https://www.rawpixel.com/image/3335255/free-photo-image-animal-avense-beeFree Image from public domain licenseCirsium undulatum, wavyleaf thistle. Columbus, Montana. June 21, 2007. Original public domain image from Flickr https://www.rawpixel.com/image/3335254/free-photo-image-animal-bee-blossomFree Image from public domain licenseBumblebee collecting pollenby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038621/photo-image-flower-plant-beeFree Image from public domain licenseArtichokes cooking in a sauce pan https://www.rawpixel.com/image/486325/premium-photo-image-agriculture-artichokes-chefView licenseCirsium undulatum, wavyleaf thistle. Columbus, Montana. June 9, 2006. Original public domain image from Flickr https://www.rawpixel.com/image/3335249/free-photo-image-blossom-cc0-cirsiumFree Image from public domain licenseHand drawn wild flowers vector illustration set, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2673326/premium-illustration-vector-art-print-artworkView licenseAgeratina altissima 3, White Snakeroot, Howard County, Md, Helen Lowe Metzman https://www.rawpixel.com/image/8756546/photo-image-flower-plant-public-domainFree Image from public domain licenseThis image was uploaded as part of Wiki Loves e-textbooks contest in Poland. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3338406/free-photo-image-animal-apiaceae-asteraceaeFree Image from public domain licenseHoly thistle (Centaurea benedicta) illustration. Digitally enhanced from our own book, Medical Botany (1836) by John… https://www.rawpixel.com/image/327162/free-illustration-image-thistle-flower-centaurea-benedictaFree Image from public domain licenseBlooming thistles png sticker vintage botanical https://www.rawpixel.com/image/2804102/free-illustration-png-botanical-etching-flowerView licenseVintage White Thistle vector, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2670754/premium-illustration-vector-wildflowers-thistle-flower-vintageView licenseHoly thistle (Centaurea benedicta) illustration from Medical Botany (1836) by John Stephenson and James Morss Churchill. https://www.rawpixel.com/image/327161/premium-illustration-psd-holy-thistle-centaurea-antiqueView licenseDesert thistle in bloom. Nye County, Nevada. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269899/photo-image-flower-plant-skyFree Image from public domain licenseHand drawn wild flowers floral illustration set, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2675262/premium-illustration-image-art-print-artworkView licenseThistles flower in Bloom at Gooney Run Overlook, Virginia, USA. Free public domain CC0 photo. https://www.rawpixel.com/image/6202045/photo-image-flower-public-domain-natureFree Image from public domain license[Untitled photo, possibly related to: Desert thistle in bloom. Nye County, Nevada]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269715/photo-image-flower-plant-treeFree Image from public domain licenseHand drawn wild flowers floral illustration set, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2675255/premium-illustration-image-art-print-artworkView licenseHand drawn wild flowers illustration set, remixed from the artworks by Mary Vaux Walcott https://www.rawpixel.com/image/2675736/premium-illustration-image-watercolor-painting-artView license