Comparing genetic diversity in three threatened oaks, Emma Suzuki Spence, Jeremie B. Fant, Oliver Gailing, M. Patrick Griffith, Kayri Havens, Andrew L. Hipp, Priyanka Dipak Kadav, Andrea Kramer, Patrick Thompson, Raakel Toppila, Murphy Westwood, Jordan Wood, Bethany A. Zumwalde, Sean Hoban Michigan Tech Publications