Ten Solidago 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:Solidago virgaurea kz12.jpg; Krzysztof Ziarnek, Kenraiz; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ASolidago_virgaurea_kz12.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 2. File:Solidago canadensis 20050815 248.jpg; Georg Slickers; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ASolidago_canadensis_20050815_248.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 3. File:Solidago gigantea01.jpg; Pethan (explicit Commons page credit); CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File%3ASolidago_gigantea01.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 4. File:Solidago rugosa var aspera.jpg; Mason Brock ( Masebrock ); Public domain; ; https://commons.wikimedia.org/wiki/File%3ASolidago_rugosa_var_aspera.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 5. File:Solidago odora Arkansas.jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ASolidago_odora_Arkansas.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 6. File:Seaside Goldenrod - Flickr - treegrow (1).jpg; Katja Schulz from Washington, D. C., USA; CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File%3ASeaside_Goldenrod_-_Flickr_-_treegrow_%281%29.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 7. File:Solidago bicolor - White Goldenrod.jpg; Fritzflohrreynolds; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File%3ASolidago_bicolor_-_White_Goldenrod.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 8. File:Solidago caesia Arkansas.jpg; Eric Hunt; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ASolidago_caesia_Arkansas.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 9. File:Solidago flexicaulis01.jpg; Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS, Midwest wetland flora (1989); Public domain; https://creativecommons.org/publicdomain/mark/1.0/; https://commons.wikimedia.org/wiki/File%3ASolidago_flexicaulis01.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences. 10. File:Solidago nemoralis Arkansas.jpg; Eric in SF; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File%3ASolidago_nemoralis_Arkansas.jpg; Portrait crop, scaling and title/caption bars. Photographs retain their stated source licences.