1. “Host–Plant Relations of Gall-Inducing Insects.” Annals of the Entomological Society of America, vol. 13, no. 3, 1920, pp. 325–332.,
  2. “Minnesota Wildflowers.” Minnesota Wildflowers,
  3. “Shelterbelt Project (1934).” Living New Deal, 6 May 2018,
  4. “To Be Or Not to Be A Gall.” Plant Galls, Palomar College,
  5. Alfs, Matthew. “Health, Medicine and Weeds.” Edible & Medicinal Wild Plants of the Midwest, Minnesota Historical Society Press, St. Paul, MN, 2020.
  6. Enescu, Cristian & de Rigo, Daniele & Caudullo, Giovanni & Durrant, Tracy. Pinus nigra in Europe: distribution, habitat, usage and threats, European Atlas of Forest Tree Species. Publications Office of the European Union, 2016.
  7. Frank, Robert M. “Balsam Fir.” Abies Balsamea (L,
  8. Gucker, Corey. “Celtis Occidentalis.” Fire Effects Information System, U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2011,
  9. Hahn, Jeffrey. “Insect and Mite Galls.” UMN Extension,
  10. Hines, Chance H. “The Effects of Hackberry Psyllids on Refueling Migratory Songbirds and Autumnal Seed Rain.” ODU Digital Commons, 2020,
  11. Jahren, Hope. “Chapter 7: Roots and Leaves.” Lab Girl, Vintage Books, New York, 2017.
  12. Jahren, A. Hope, et al. “Biomineralization in Seeds: Developmental Trends in Isotopic Signatures of Hackberry.” Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 138, no. 1-4, 1998, pp. 259–269.,
  13. Moerman, Daniel E., and Daniel E. Moerman. Native American Medicinal Plants: An Ethnobotanical Dictionary. Timber Press, 2009.
  14. Nichols, John, and Earl Nyholm. A Concise Dictionary of Minnesota Ojibwe. University of Minnesota Press, 1995.
  15. Pederson, Neil. Eastern Oldlist: A Database of Maximum Tree Ages for Eastern North America, Rocky Mountain Tree-Ring Research, Inc. & Eastern Kentucky University, 2008,
  16. Rupp, Rebecca. Red Oaks & Black Birches: The Science and Lore of Trees. Storey Communications, 1992.
  17. Salmón Enrique. Iwígara: American Indian Ethnobotanical Traditions and Science. Timber Press, 2020.
  18. Selker, Lauren. Meadowcroft: Peering into America’s Ancient Past. Pennsylvania Center for the Book, 2010,
  19. Sherman, Sean, and Beth Dooley. The Sioux Chef’s Indigenous Kitchen. University of Minnesota Press, 2017.
  20. Smith, Welby Richmond. Trees and Shrubs of Minnesota: The Complete Guide to Species Identification. University of Minnesota Press, 2008.
  21. Thomas, Peter. Trees: Their Natural History. Cambridge University Press, 2016.
  22. Viljoen, Marie. Forage, Harvest, Feast: A Wild-Inspired Cuisine. Chelsea Green Publishing, 2018.
  23. Wohlleben, Peter. Hidden Life of Trees: What They Feel, How They Communicate? Discoveries from a Secret World. Greystone Books, 2018.
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