Ten Vernonia 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:Vernonia noveboracensis 1.JPG; User:SB_Johnny; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3AVernonia_noveboracensis_1.JPG; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 2. File:Vernonia gigantea 25.jpg; Greg Hume; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AVernonia_gigantea_25.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 3. File:Vernonia fasciculata (40286289235).jpg; Tom Harrington / Great Smoky Mountains National Park; Public domain; ; https://commons.wikimedia.org/wiki/File%3AVernonia_fasciculata_%2840286289235%29.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 4. File:Vernonia baldwinii 2.jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AVernonia_baldwinii_2.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 5. File:Vernonia missurica 9716318.jpg; KatieLMiller; CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File%3AVernonia_missurica_9716318.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 6. File:Vernonia angustifolia 47286511.jpg; Melissa McMasters; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File%3AVernonia_angustifolia_47286511.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 7. File:Vernonia lettermanii.jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AVernonia_lettermanii.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 8. File:Vernonia arkansana.jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3AVernonia_arkansana.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 9. File:Broadleaf Ironweed imported from iNaturalist photo 226734526 on 1 August 2024.jpg; (c) Ashwin Srinivasan, some rights reserved (CC BY); CC BY 4.0; https://creativecommons.org/licenses/by/4.0; https://commons.wikimedia.org/wiki/File%3ABroadleaf_Ironweed_imported_from_iNaturalist_photo_226734526_on_1_August_2024.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence. 10. File:Vernonia acaulis.jpg; Becky; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File%3AVernonia_acaulis.jpg; Portrait centre crop and scaling; title and caption bars added. Source photograph retains its stated licence.