Ten Ulmus species compared through exact Wikimedia Commons photographs of crowns, foliage and leaves. 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:RN Ulmus glabra (alnarp sweden).jpg; Ronnie Nijboer; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:RN_Ulmus_glabra_(alnarp_sweden).jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Ulmus carpinifolia in Golden Valley Tree Park, May 2022 01.jpg; Calistemon; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Ulmus_carpinifolia_in_Golden_Valley_Tree_Park,_May_2022_01.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Seattle - Roanoke Park Ulmis laevis 01.jpg; Joe Mabel; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Seattle_-_Roanoke_Park_Ulmis_laevis_01.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:American Elm Tree, Old South Street, Northampton, MA - October 2019.jpg; Marty Aligata; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:American_Elm_Tree,_Old_South_Street,_Northampton,_MA_-_October_2019.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:2023-06-21 09 46 51 Slippery Elm along Mountain View Road in the Mountainview section of Ewing Township, Mercer County, New Jersey.jpg; Famartin; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:2023-06-21_09_46_51_Slippery_Elm_along_Mountain_View_Road_in_the_Mountainview_section_of_Ewing_Township,_Mercer_County,_New_Jersey.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:RN Ulmus parvifolia (Hilversum).JPG; Ronnie Nijboer; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:RN_Ulmus_parvifolia_(Hilversum).JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Image-Ulmus pumila (Ulmus gobicus) in Gobi Desert.jpg; Tiarescott; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Image-Ulmus_pumila_(Ulmus_gobicus)_in_Gobi_Desert.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Ulmus alata 071007c.jpg; Ronnie Nijboer; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Ulmus_alata_071007c.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:Ulmus thomasii (meisse) 1.jpg; Ronnie Nijboer; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Ulmus_thomasii_(meisse)_1.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Ulmus crassifolia leaves.jpeg; Mason Brock ( Masebrock ); Public domain; ; https://commons.wikimedia.org/wiki/File:Ulmus_crassifolia_leaves.jpeg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.