[Arnold, M. L. (1997): Natural Hybridization and Evolution. Oxford Series in Ecology and Evolution. Oxford University Press, New York.]Search in Google Scholar
[Bacilieri, R., A. Ducousso, R. J. Petit and A. Kremer (1996): Mating system and asymmetric hybridization in a mixed stand of European oaks. Evolution 50: 900–908.10.1111/j.1558-5646.1996.tb03898.x]Search in Google Scholar
[Brewer, S., R. Cheddadi, J. L. Beaulieu and M. Reille (2002): The spread of deciduous Quercus throughout Europe since the last glacial period. Forest Ecology and Management 156: 27–48.10.1016/S0378-1127(01)00646-6]Search in Google Scholar
[Burke, J. M. and M. L. Arnold (2001): Genetics and the fitness of hybrids. Annual Review of Genetics 35: 31–52.10.1146/annurev.genet.35.102401.08571911700276]Search in Google Scholar
[Coart, E., X. Vekemans, M. J. Smulders, I. Wagner, J. Van Huylenbroeck, E. Van Bockstaele and I. Roldan-Ruiz (2001): AFLP markers demonstrate local genetic differentiation between two indigenous oak species (Quercus robur L. and Quercus petraea (Matt.) Liebl.) in Flemish populations. Theoretical and Applied Genetics 105: 431–439.10.1007/s00122-002-0920-612582548]Search in Google Scholar
[Curtu, A. L., O. Gailing and R. Finkeldey (2007): Evidence for hybridization and introgression within a species-rich oak (Quercus spp.) community. BMC Evolutionary Biology 7: 218, doi:10.1186/1471-2148-7-218.10.1186/1471-2148-7-218224492317996115]Search in Google Scholar
[Curtu, A. L., O. Gailing and R. Finkeldey (2009): Patterns of contemporary hybridization inferred from paternity analysis in a four-oak-species forest. BMC Evolutionary Biology 9: 284 doi: 10.1186/1471-2148-9-284.10.1186/1471-2148-9-284279576319968862]Search in Google Scholar
[De Keersmaeker, L., N. Rogiers, R. Lauriks and B. De Vos (2001): Ecosysteemvisie bos in Vlaanderen, Ruimtelijke uitwerking van de natuurlijke bostypes op basis van bodemgroeperingseenheden en historische boskaarten. VLINA C97/06, Ministry of the Flemish Community, Brussels.]Search in Google Scholar
[Fortini, P., V. Viscosi, L. Maiuro, S. Fineschi and G. G. Vendramin (2009): Comparative leaf surface morphology and molecular data of five oaks of the subgenus Quercus Oerst (Fagaceae). Plant Biosystems doi 10.1080/11263500902722980.]Search in Google Scholar
[Gugerli, F., J. C. Walser, K. Dounavi, R. Holderegger and R. Finkeldey (2007): Coincidence of small-scale spatial discontinuities in leaf morphology and nuclear microsatellite variation of Quercus petraea and Q. robur in a mixed forest. Annals of Botany 99: 713–722.10.1093/aob/mcm006280293917337481]Search in Google Scholar
[Jensen, J., A. Larsen, L. Nielsen and J. Cottrell (2009): Hybridization between Quercus robur and Q. petraea in a mixed oak stand in Denmark. Annual Forest Science 66: 706 doi 10.1051/forest/2009058.]Search in Google Scholar
[Kelleher, C. T., T. Hodkinson, G. Douglas and D. Kelly (2005): Species distinction in Irish populations of Quercus petraea and Q. robur: morphological versus molecular analyses. Annals of Botany 96: 1237–1246.10.1093/aob/mci275424707416199484]Search in Google Scholar
[Kleinschmit, J. R. G., R. Bacilieri, A. Kremer and A. Roloff (1995): Comparison of morphological traits of pedunculate oak (Q. robur L.) and sessile oak (Q. petraea (Matt.) Liebl.). Silvae Genetica 44: 256–269.]Search in Google Scholar
[Kleinschmit, J. R. G., D. Kownatzki and H. R. Gregorius (2004): Adaptational characteristics of autochthonous populations – consequences for provenance delineation. Forest Ecology and Management 197: 213–224.10.1016/j.foreco.2004.05.037]Search in Google Scholar
[Kremer, A., J. L. Dupouey, J. D. Deans, J. Cottrell, U. Csaikl, R. Finkeldey, S. Espinel, J. Jensen, J. Kleinschmit, B. Van Dam, A. Ducousso, I. Forrest, U. Lopez de Heredia, A. Lowe, M. Tutkova, R. Munro, S. Steinhoff and V. Badeau (2002): Leaf morphological differentiation between Quercus robur and Quercus petraea is stable across western European mixed oak stands. Annual Forest Science 59: 777–787.10.1051/forest:2002065]Search in Google Scholar
[Lambinon, J., J. E. De Langhe, L. Delvosalle and J. Duvigneaud (1998): Flora van België, het Groothertogdom Luxemburg, Noord-Frankrijk en de aangrenzende gebieden. Nationale plantentuin van België, Meise, Belgium.]Search in Google Scholar
[Lepais, O., R. Petit, E. Guichoux, J. Lavabre, A. Kremer and S. Gerber (2009): Species relative abundance and direction of introgression in oaks. Molecular Ecology 18: 2228–2242.10.1111/j.1365-294X.2009.04137.x]Search in Google Scholar
[Lexer, C., A. Kremer and J. Petit (2006): Shared alleles in sympatric oaks: recurrent gene flow is a more parsimonious explanation than ancestral polymorphism. Molecular Ecology 15: 2007–2012.10.1111/j.1365-294X.2006.02896.x]Search in Google Scholar
[Maes, N. C. M. (2007): Inheemse bomen en struiken in Nederland en Vlaanderen. Boom, Amsterdam, the Netherlands.]Search in Google Scholar
[Opstaele, B. (2001): Autochtone bomen en struiken in de houtvesterijen Leuven en Hasselt. Ministry of the Flemish Community, Brussels.]Search in Google Scholar
[Petit, R., S. Brewer, S. Bordács, K. Burg, R. Cheddadi, E. Coart, J. Cottrell, U. Csaikl, B. van Dam, J. D. Deans, S. Espinel, S. Fineshi, R. Finkeldey, I. Glaz, P. G. Goicoechea, J. S. Jensen, K. König, A. J. Lowe, S. F. Madsen, G. Mátyás, R. C. Munro, M. Olalde, M.-H. Pemonge, F. Popoescu, D. Slade, H. Tabbener, S. de Vries, B. Ziegenhagen, J.-L. de Beaulieu and A. Kremer (2002): Identification of refugia and postglacial colonisation routes of European white oaks based on chloroplast DNA and fossil pollen evidence. Forest Ecology and Management 156: 49–74.10.1016/S0378-1127(01)00634-X]Search in Google Scholar
[Petit, R. and A. Hampe (2006): Some evolutionary consequences of being a tree. Annual Review of Ecology, Evolution, and Systematics 37: 187–214.10.1146/annurev.ecolsys.37.091305.110215]Search in Google Scholar
[Rövekamp, C. and N. Maes (1999): Oorspronkelijk inheemse bomen en struiken in Vlaanderen. Een onderzoek naar autochtone genenbronnen in de Regionale Landschappen West-Vlaamse Heuvels, Vlaamse Ardennen en de houtvesterijen Hechtel en Bree. Ministry of the Flemish Community, Brussels.]Search in Google Scholar
[Scotti-Saintagne, C., S. Mariette, I. Porth, P. G. Goicoechea, T. Barreneche, C. Bodénès, K. Brug and A. Kremer (2004): Genome scanning for interspecific differentiation between two closely related oak species (Quercus robur L. and Q. petraea (Matt.) Liebl.). Genetics 168: 1615–1626.10.1534/genetics.104.026849144878315579711]Search in Google Scholar
[Streiff, R., A. Ducousso, C. Lexer, H. Steinkellner, J. G. Gloess and A. Kremer (1999): Pollen dispersal inferred from paternity analysis in a mixed oak stand of Quercus robur L. and Q. petraea (Matt.) Liebl. Molecular Ecology 7: 317–328.10.1046/j.1365-294X.1998.00360.x]Search in Google Scholar
[Tutin, T. G. and V. H. Heywood (eds.) (1964–1993): Flora Europaea. Cambridge University Press, Cambridge.]Search in Google Scholar
[van der Meijden, R. (2005): Heukels’ Flora van Nederland. Noordhoff uitgevers, the Netherlands.]Search in Google Scholar
[Vander Mijnsbrugge, K., E. Coart, H. Beeckman and J. Van Slycken (2003): Conservation measures for autochthonous oaks in Flanders. Forest Genetics 10: 207–217.]Search in Google Scholar
[Vander Mijnsbrugge, K., K. Cox and J. Van Slycken (2005): Conservation approaches for autochthonous woody plants in Flanders. Silvae Genetica 54: 197–206.10.1515/sg-2005-0029]Search in Google Scholar
[Viscosi, V., O. Lepais, S. Gerber and P. Fortini (2009): Leaf morphological analyses in four European oak species (Quercus) and their hybrids: A comparison of traditional and geometric morphometric methods. Plant Biosystems 143: 564–574.10.1080/11263500902723129]Search in Google Scholar