Ten Cirsium species compared through exact Wikimedia Commons photographs of flowers and foliage. An editorial selection, not a scientific ranking. Original video contributions: CC BY-SA 4.0. Individual photographs retain the licences and credits listed in attribution; public-domain and CC0 photographs remain so. Photograph credits: 1. File:Mooie bloeiwijze van een Speerdistel (Cirsium vulgare) 03.jpg; Dominicus Johannes Bergsma; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AMooie_bloeiwijze_van_een_Speerdistel_%28Cirsium_vulgare%29_03.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Cirsium arvense with Bees Richard Bartz.jpg; Richard Bartz , Munich aka Makro Freak; CC BY-SA 2.5; https://creativecommons.org/licenses/by-sa/2.5; https://commons.wikimedia.org/wiki/File%3ACirsium_arvense_with_Bees_Richard_Bartz.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Cirsium palustre inflorescence - Niitvälja.jpg; Ivar Leidus; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ACirsium_palustre_inflorescence_-_Niitv%C3%A4lja.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:Cirsium eriophorum 2 RF.jpg; Robert Flogaus-Faust; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File%3ACirsium_eriophorum_2_RF.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Cirsium oleraceum ENBLA07 (cropped).jpg; Enrico Blasutto; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ACirsium_oleraceum_ENBLA07_%28cropped%29.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Cirsium rivulare sl1.jpg; Stefan.lefnaer; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3ACirsium_rivulare_sl1.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Cirsium heterophyllum - villohakas.jpg; Ivar Leidus; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3ACirsium_heterophyllum_-_villohakas.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Cirsium acaule - varretu karuohakas Keilas.jpg; Ivar Leidus; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3ACirsium_acaule_-_varretu_karuohakas_Keilas.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:CirsiumDissectum.jpg; Christian Fischer; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3ACirsiumDissectum.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Cirsium occidentale.jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ACirsium_occidentale.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.