Ten Betula species compared through exact Wikimedia Commons photographs of crowns, foliage and bark. 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:Betula pendula Finland.jpg; Percita at Flickr; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0; https://commons.wikimedia.org/wiki/File:Betula_pendula_Finland.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Betula pubescens - Burgwald 002.jpg; Willow; CC BY 2.5; https://creativecommons.org/licenses/by/2.5; https://commons.wikimedia.org/wiki/File:Betula_pubescens_-_Burgwald_002.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 3. File:13. The Fall of Acadia (4039110079).jpg; InAweofGod'sCreation; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File:13._The_Fall_of_Acadia_(4039110079).jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 4. File:RiverBirchBark01.JPG; Greg Hume; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:RiverBirchBark01.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Yellow Birch in Thunder Bay Ontario.jpg; Vidioman; Public domain; ; https://commons.wikimedia.org/wiki/File:Yellow_Birch_in_Thunder_Bay_Ontario.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Betula lenta bark in Shenandoah National Park 2.png; Alexander Abair; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File:Betula_lenta_bark_in_Shenandoah_National_Park_2.png; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Silver Birch (Bhojpatra) I IMG 3405.jpg; J.M.Garg; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Silver_Birch_(Bhojpatra)_I_IMG_3405.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Betula ermanii (200612).jpg; E-190; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Betula_ermanii_(200612).jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 9. File:Betula maximowicziana - Botanischer Garten, Frankfurt am Main - DSC03340.JPG; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Betula_maximowicziana_-_Botanischer_Garten,_Frankfurt_am_Main_-_DSC03340.JPG; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Betula nana upernavik kujalleq 2007-07-25 1.jpg; Kim Hansen; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Betula_nana_upernavik_kujalleq_2007-07-25_1.jpg; Whole-image fit and scaling; title and caption bars added. Photograph licensed under the stated source licence.