Ten Asplenium species compared through exact Wikimedia Commons photographs of fronds 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:Asplenium trichomanes IMG 7821 Langaara Asker Norway.JPG; Bjoertvedt; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_trichomanes_IMG_7821_Langaara_Asker_Norway.JPG; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 2. File:Asplenium ruta-muraria (Wall-rue) - Flickr - S. Rae.jpg; S. Rae from Scotland, UK; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_ruta-muraria_%28Wall-rue%29_-_Flickr_-_S._Rae.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 3. File:Asplenium adiantum-nigrum 030208.jpg; Bernd Haynold; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_adiantum-nigrum_030208.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 4. File:Dauradella per la Mallada Verda, Benissa.jpg; Joanbanjo; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ADauradella_per_la_Mallada_Verda%2C_Benissa.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 5. File:Asplenium viride kz01.jpg; Krzysztof Ziarnek, Kenraiz; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_viride_kz01.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 6. File:Аспленій північний. Пухирник ламкий 21(3). Верхня Хортиця.jpg; Петроченко Віктор Іванович; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File%3A%D0%90%D1%81%D0%BF%D0%BB%D0%B5%D0%BD%D1%96%D0%B9_%D0%BF%D1%96%D0%B2%D0%BD%D1%96%D1%87%D0%BD%D0%B8%D0%B9._%D0%9F%D1%83%D1%85%D0%B8%D1%80%D0%BD%D0%B8%D0%BA_%D0%BB%D0%B0%D0%BC%D0%BA%D0%B8%D0%B9_21%283%29._%D0%92%D0%B5%D1%80%D1%85%D0%BD%D1%8F_%D0%A5%D0%BE%D1%80%D1%82%D0%B8%D1%86%D1%8F.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 7. File:Asplenium marinum (Sea Spleenwort), Cullernose, Northumberland 1.jpg; MPF; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_marinum_%28Sea_Spleenwort%29%2C_Cullernose%2C_Northumberland_1.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 8. File:Asplenium bulbiferum kz3.jpg; Krzysztof Ziarnek, Kenraiz; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_bulbiferum_kz3.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 9. File:AspleniumAustralasicum.jpg; Chhe ( talk ); Public domain; ; https://commons.wikimedia.org/wiki/File%3AAspleniumAustralasicum.jpg; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence. 10. File:Asplenium platyneuron clump.JPG; Choess; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3AAsplenium_platyneuron_clump.JPG; Resized and cropped to portrait; title and caption bars added. Photograph licensed under the stated source licence.