L. 2001. Multigene phylogeny of Epichloë species, fungal symbionts of grasses. Ann. Mo. Bot.Gard. 88: 14–34. Kim, M.-S., Klopfenstein, N.B., McDonald, G.I., Arumuganathan, K. & Vidaver, A.K. 2001. Use of flow cytometry, fluorescence microscopy, and PCRbased techniques to assess intraspecific and interspecific matings of Armillaria species Mycol. Res. 105: 153-163. Kohn, L.M. 2005. Mechanisms of fungal speciation. Annual Review of Phytopathology 43: 279-308. Kuldau, G.A., Tsai, H-F. & Schardl, C.L. 1999. Genome sizes of Epichloë species and anamorphic hybrids. Mycologia, 91: 776–782. Kullman, B. 2000. Application of flow cytometry for measurement of nuclear DNA content in fungi. Folia Cryptogamica Estonica 36: 31-46. Kullman, B. 2002a. Horisontaalsest geeniülekandest seeneriigis. In: I. Puura & T. Teder (toim), Võrkude teooria. Schola Biotheoretica 28: 21-33. Tartu, Sulemees. 88 lk. Kullman, B
Evolution 17: 352-361. Carbone, I., Anderson, J.B. & Kohn, L.M. 1995. A group I intron in the mitochondrial small subunit rRNA gene of Sclerotinia sclerotiorum. Current Genetics 27: 166-176. Carbone, I. & Kohn L.M. 2001. A microbial population-species interface: nested cladistic and coalescent inference with multilocus data. Molecular Ecology 10: 947. Couch, B. C. & Kohn, L. M. 2000. Clonal spread of Sclerotium cepivorum in onion production with evidence of past recombination events. Phytopathology 90: 514-521. Gomis-Ruth, F. X., Moncalian, G., Perez-Luque, R., Gonzalez, A., Cabezon, E., de la Cruz, F. & Coll, M. 2001. The bacterial conjugation protein TrwB resembles ring helicases and F1- ATPase. Nature 409: 637-641. Hawksworth, D. L., Kirk, P.M., Sutton, B.C. & Pegler, D.N. 1995. Ainsworth & Bisby’s Dictionary of the Fungi. CABI, 616 pp. Holst-Jensen, A., Vaage, M., Schumacher, T. & Johansen, S. 1999. Structural characteristics and possible horizontal transfer of group I