Allaby M. 1986. The concise Oxford dictionary of botany. Oxford (UK): Oxford University Press.
Barnes BV, Wagner WH. 1987. Michigan trees: a guide to the trees of Michigan and the Great Lakes region. Ann Arbor (MI): University of Michigan Press.
Biggs. 2005. Biology. New York (NY): Glencoe/McGraw-Hill
Campbell N, Reece J. 2002. Biology. San Francisco (CA): Benjamin Cummings; 6th Edition.
Dictionary.com. Dictionary.com. [accessed 2017 Oct 18]. http://www.dictionary.com
Fassett NC. 1931. Spring flora of Wisconsin. Madison (WI): Democrat Printing.
Gleason HA. 1963. The new Britton and Brown illustrated flora: of the northeastern United States and adjacent Canada. New York (NY): The New Jork Botanical Garden by Hafner Publishing.
Happy Botanist. c 2018. [accessed 2017 Nov 3]. http://www.happybotanist.com/
Jackson MT, Harrington K, Rathfon R. 2004. 101 trees of Indiana: a field guide. Bloomington (IN): Indiana University Press.
Mahoney KD. c 2019. Latin Dictionary and Grammar Resources - Latdict. Latin Dictionary and Grammar Resources - Latdict. [accessed 2017 Oct 28]. http://latin-dictionary.net.
Resh V, Cardé R. 2009. Encyclopedia of insects. 2nd ed. London, England: Elsevier/Academic Press.
Steen E. 1971. Dictionary of Botany. New York (NY): Barnes and Noble Books.
Stern K. 2006. Introductory plant biology. New York (NY); McGraw-Hill.
Swink F, Wilhelm G. 1994. Plants of the Chicago region: an annotated checklist of the vascular flora of the Chicago region, with keys, notes on local distribution, ecology, and taxonomy, a system for the qualitative evaluation of plant communities, a natural divisions map, and a description of natural plant communities. Lisle (IL): Morton Arboretum.
Voss EG, Reznicek A. 2012. Field manual of Michigan flora. Ann Arbor (MI): University of Michigan Press.