1. Anderson, J.B. Stasovski, S. (1992). Molecular phylogeny of Northern Hemisphere species of Armillaria. Mycologia 84, 505–516.
2. Avise, J.C., Arnold, J., Ball, R.M., Bermingham, E., Lamb, T., Neigel, J.E., Reeb, C.A. Saunders, N.C. (1987). Intraspecific phylogeography: the mitocondrial DNA bridge between population genetics and systematics. Annu. Rev. Ecol. Syst 18, 489–522.
3. Avise, J.C. Wollenberg, K. (1997). Phylogenetics and the origin of species. Proc. Natl. Acad. Sci. USA 94, 7748–7755.
4. Bates, M.R., Buck, K.W. Brasier, C.M. (1993a). Molecular relationships between Ophiostoma ulmi and the NAN and EAN races of O. novo-ulmi determined by restriction fragment length polymorphisms of nuclear DNA. Mycol. Res 97, 449–455.
5. Bates, M.R., Buck, K.W. Brasier, C.M. (1993b). Molecular relationships of the mitochondrial DNA of Ophiostoma ulmi and the NAN and EAN races of O. novo-ulmi determined by restriction fragment length polymorphisms. Mycol. Res 97, 1093–1100.