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http://www.plantphysiol.org/content/124/2/507
https://www.thecultureconcept.com/albrecht-durer-observing-nature
https://www.botanicalartandartists.com/why-botany-matters-to-artists.html
https://www.vam.ac.uk/articles/william-morris-and-wallpaper-design
https://blog.norphil.co.uk/2011/02/150th-anniversary-of-wm-morris-company.html
https://www.thecultureconcept.com/albrecht-durer-observing-nature
https://www.britannica.com/biography/Charles-Darwin
https://fineartamerica.com/art/paintings/medicinal+plants
http://blog.metmuseum.org/cloistersgardens/category/medicinal-plants/
https://www.medicalnewstoday.com/articles/318591.php
https://www.civilized.life/articles/5-facts-about-how-cannabis-was-used-by-native-americans/
Botanical Gardens of Marrakech, Top 10 Medicinal Plants & Herbs
https://botanicalillustration.blogspot.com/2011/05/william-morris-inspiration-and.html
http://www.visual-arts-cork.com/history-of-art/arts-and-crafts.htm