[Abadie P, G Roussel, B Dencausse, C Bonnet, E Bertocchi, JM Louvet, A Kremer and P Garnier-Gere (2012) Strength, diversity and plasticity of postmating reproductive barriers between two hybridizing oak species (Quercus robur L. and Quercus petraea (Matt) Liebl.). Journal of Evolutionary Biology 25:157- 173. https://doi.org/10.1111/j.1420-9101.2011.02414.x10.1111/j.1420-9101.2011.02414.x22092648]Open DOISearch in Google Scholar
[Abraham ST, DN Zaya, WD Koenig and MV Ashley (2011) Interspecific and intraspecific pollination patterns of valley oak, Quercus lobata, in a mixed stand in coastal central California. International Journal of Plant Sciences 172:691- 699. https://doi.org/10.1086/65964610.1086/659646]Open DOISearch in Google Scholar
[Abrams MD (1990) Adaptations and responses to drought in Quercus species of North America. Tree Physiology 7:227-238. https://doi.org/10.1093/treephys/7.1-2-3-4.22710.1093/treephys/7.1-2-3-4.22714972920]Open DOISearch in Google Scholar
[Abrams MD (1992) Fire and the development of oak forests in eastern North America, oak distribution reflects a variety of ecological paths and disturbance conditions. Bioscience 42:346-353. https://doi.org/10.2307/131178110.2307/1311781]Open DOISearch in Google Scholar
[Cottam WP, JM Tucker and FS Santamour Jr. (1982) Oak hybridization at the University of Utah. State Arboretum of Utah, University of Utah.]Search in Google Scholar
[Curtu AL, O Gailing and R Finkeldey (2007) Evidence for hybridization and introgression within a species-rich oak (Quercus spp.) community. BMC Evolutionary Biology 7:218. Artn 218. https://doi.org/10.1186/1471-2148-7-21810.1186/1471-2148-7-218224492317996115]Open DOISearch in Google Scholar
[Curtu AL, 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. Artn 284. https://doi.org/10.1186/1471-2148-9-28410.1186/1471-2148-9-284279576319968862]Open DOISearch in Google Scholar
[de Heredia UL, M Valbuena-Carabana, M Cordoba and L Gil (2009) Variation components in leaf morphology of recruits of two hybridising oaks Q. petraea (Matt.) Liebl. and Q. pyrenaica Willd. at small spatial scale. European Journal of Forest Research 128:543-554. https://doi.org/10.1007/s10342-009-0302-610.1007/s10342-009-0302-6]Open DOISearch in Google Scholar
[Dodd RS, and Z Afzal-Rafii (2004) Selection and dispersal in a multispecies oak hybrid zone. Evolution 58:261-269. https://doi.org/10.1111/j.0014-3820.2004.tb01643.x10.1111/j.0014-3820.2004.tb01643.x]Open DOISearch in Google Scholar
[Durand J, C Bodénès, E Chancerel, J-M Frigero, GG Vendramin, F Sebastiani, A Buonamici, O Gailing, H-P Koelewijn, F Villani, C Mattioni, M Cherubini, PG Goicoechea, A Herran, Z Ikaran, C Cabane, S Ueno, A de Daruvar, A Kremer and C Plomion (2010) A fast and cost-effective approach to develop and map EST-SSR markers: oak as a case study. BMC Genomics 11:570. https://doi.org/10.1186/1471-2164-11-57010.1186/1471-2164-11-570309171920950475]Open DOISearch in Google Scholar
[Gailing O (2013) Differences in growth, survival and phenology in Quercus rubra and Q. ellipsoidalis seedlings. Dendrobiology 70:71-79. https://doi.org/10.12657/denbio.070.00810.12657/denbio.070.008]Search in Google Scholar
[Gailing O, S Kostick, O Caré and S Khodwekar (2018) Leaf morphological and genetic variation between Quercus rubra and Quercus ellipsoidalis: comparison of sympatric and parapatric populations. Annals of Forest Research 61:81- 94. https://doi.org/10.15287/afr.2018.102010.15287/afr.2018.1020]Search in Google Scholar
[Kang MY, M Fokar, H Abdelmageed and RD Allen (2011) Arabidopsis SAP5 functions as a positive regulator of stress responses and exhibits E3 ubiquitin ligase activity. Plant Molecular Biology 75:451-466. https://doi.org/10.1007/s11103-011-9748-210.1007/s11103-011-9748-221293909]Open DOISearch in Google Scholar
[Khodwekar S, and O Gailing (2017) Evidence for environment-dependent introgression of adaptive genes between two red oak species with different drought adaptations. American Journal of Botany 104:1088-1098. https://doi.org/10.3732/ajb.170006010.3732/ajb.170006028724591]Open DOISearch in Google Scholar
[Kleinschmit J, and JRG Kleinschmit (2000) Quercus robur - Q. petraea: a critical review of the species concept. Glasnik Za sumske Pokuse 37:441-452.]Search in Google Scholar
[Lepais O, G Roussel, F Hubert, A Kremer and S Gerber (2013) Strength and variability of postmating reproductive isolating barriers between four European white oak species. Tree Genetics & Genomes 9:841-853. https://doi.org/10.1007/s11295-013-0602-310.1007/s11295-013-0602-3]Open DOISearch in Google Scholar
[Lexer C, A Kremer and RJ Petit (2006) Shared alleles in sympatric oaks: recurrent gene flow is a more parsimonious explanation than ancestral polymorphism. Molecular Ecology 15:2007-2012. https://doi.org/10.1111/j.1365-294x.2006.02896.x10.1111/j.1365-294x.2006.02896.x]Open DOISearch in Google Scholar
[Lind-Riehl J, and O Gailing (2017) Adaptive variation and introgression of a CONSTANS-like gene in North American red oaks. Forests 8:3. https://doi.org/10.3390/f801000310.3390/f8010003]Open DOISearch in Google Scholar
[Lind-Riehl JF, AR Sullivan and O Gailing (2014) Evidence for selection on a CONSTANS-like gene between two red oak species. Annals of Botany 113:967- 975. https://doi.org/10.1093/aob/mcu01910.1093/aob/mcu019399763724615344]Open DOISearch in Google Scholar
[Lind J, and O Gailing (2013) Genetic structure of Quercus rubra L. and Q. ellipsoidalis E. J. Hill populations at gene-based EST-SSR and nuclear SSR markers. Tree Genetics & Genomes 9:707-722. https://doi.org/10.1007/s11295-012-0586-410.1007/s11295-012-0586-4]Open DOISearch in Google Scholar
[Olrik DC, and ED Kjaer (2007) The reproductive success of a Quercus petraea x Q. robur F1-hybrid in back-crossing situations. Annals of Forest Science 64:37- 45. https://doi.org/10.1051/forest:200608610.1051/forest:2006086]Open DOISearch in Google Scholar
[Owusu SA, AR Sullivan, JA Weber, AL Hipp and O Gailing (2015) Taxonomic relationships and gene flow in four North American Quercus species. Systematic Botany 40:510. https://doi.org/10.1600/036364415x68875410.1600/036364415x688754]Open DOISearch in Google Scholar
[Paul A, and S Kumar (2015) An A20/AN1-zinc-finger domain containing protein gene in tea is differentially expressed during winter dormancy and in response to abiotic stress and plant growth regulators. Plant Gene 1:1-7. https://doi.org/10.1016/j.plgene.2014.12.00310.1016/j.plgene.2014.12.003]Open DOISearch in Google Scholar
[Peakall R, and PE Smouse (2012) GenAlEx 6.5: genetic analysis in Excel. Population genetic software for teaching and research-an update. Bioinformatics 28:2537-2539. https://doi.org/10.1093/bioinformatics/bts46010.1093/bioinformatics/bts460346324522820204]Open DOISearch in Google Scholar
[Pritchard JK, M Stephens and P Donnelly (2000) Inference of population structure using multilocus genotype data. Genetics 155:945-959. Rieseberg LH, and JH Willis (2007) Plant Speciation. Science 317:910-914. https://doi.org/10.1126/science.113772910.1126/.1137729]Open DOISearch in Google Scholar
[Sander IL (1990) Quercus rubra L., pp. 727-733 in Silvics of North America. U.S. Department of Agriculture, Forest Service, Washington DC. Steinhoff S (1993) Results of species hybridization with Quercus robur L. and Quercus petraea (Matt) Liebl. Annales des Sciences Forestières 50:137s-143s. https://doi.org/10.1051/forest:1993071310.1051/forest:19930713]Open DOISearch in Google Scholar
[Zhang R, AL Hipp and O Gailing (2015) Sharing of chloroplast haplotypes among red oak species suggests interspecific gene flow between neighboring populations. Botany 93:691-700. https://doi.org/10.1139/cjb-2014-026110.1139/cjb-2014-0261]Open DOISearch in Google Scholar