Last updated on June 19th, 2022
References
1. https://www.usna.usda.gov/discover/gardens-collections/stately-treasures
2. https://247wallst.com/special-report/2018/04/25/each-states-official-tree/
3. http://www1.udel.edu/udaily/2013/nov/holly-state-tree-112812.html
4. https://en.wikipedia.org/wiki/List_of_U.S._state_and_territory_trees
5. https://ohiochristmastree.org/tree-varieties#
6. https://www.clearviewtree.com/fun-facts-pine-trees/#
7. https://www.countytreeservice.com/5-interesting-facts-about-sugar-maples
8. http://webpage.pace.edu/naturespace/Eastern%20Hemlock1.htm
9. https://www.bellarmine.edu/faculty/drobinson/bluspruce.asp#
10. https://homeguides.sfgate.com/interesting-southern-magnolia-59358.html
11. https://facts.net/nature/plants/dogwood-tree-facts/
12. https://extension.umaine.edu/signs-of-the-seasons/indicator-species/pine-fact-sheet/
13. https://www.nwf.org/Educational-Resources/Wildlife-Guide/Plants-and-Fungi/Bald-Cypress