Abbott R, Albach D, Ansell S et al., 2013. Hybridization and speciation［J］. Journal of Evolutionary Biology, 26: 229—246
Abbott R, Rieseberg L, 2012. Hybrid Speciatioin［M］. Chichester: John Wiley & Sons, Ltd
Alvarez I, Wendel JF, 2003. Ribosomal ITS sequences and plant phylogenetic inference［J］. Molecular Phylogenetics and Evolution, 29: 417—434
Argus GW, 2010. Salix［A］. // Committee FoNAE ed., Flora of North America［M］. Oxford and New York: Oxford University Press, 23—162
Arnold ML, 1997. Natural Hybridization and Evolution［M］. New York: Oxford University Press, USA
Azuma T, Kajita T, Yokoyama J et al., 2000. Phylogenetic relationships of Salix (Salicaceae) based on rbcL sequence data［J］. American Journal of Botany, 87: 67—75
Baumel A, Ainouche M, Levasseur J, 2001. Molecular investigations in populations of Spartina anglica CE Hubbard (Poaceae) invading coastal Brittany (France) ［J］. Molecular Ecology, 10: 1689—1701
Chen JH, Sun H, Wen J et al., 2010. Molecular phylogeny of Salix L. (Salicaceae) inferred from three chloroplast datasets and its systematic implications［J］. Taxon, 59: 29—37
Chiang TY, Schaal BA, Peng CI, 1998. Universal primers for amplification and sequencing a noncoding spacer between the atpB and rbcL genes of chloroplast DNA［J］. Botanical Bulletin of Academia Sinica, 39 (4): 245—250
Coyne JA, Orr HA, 2004. Speciation［M］. Sunderland, MA: Sinauer Associates
Demesure B, Sodzi N, Petit RJ, 1995. A set of universal primers for amplification of polymorphic noncoding regions of mitochondrial and chloroplast DNA in plants［J］. Molecular Ecology, 4: 129—134
Ding T, 1995a. Origin, divergence and geographical distribution of Salicaceae［J］. Acata Botanica Yunnanica, 17: 277—290
Ding T, 1995b. Salicaceae［M］. Beijing: Science Press
Doleel J, Greilhuber J, Suda J, 2007. Estimation of nuclear DNA content in plants using flow cytometry［J］. Nature Protocols, 2: 2233—2244
Doyle JJ, Doyle JL, 1987. A rapid DNA isolation procedure for small quantities of fresh leaf tissue［J］. Phytochemical Bulletin, 19: 11—15
Drummond A, Ashton B, Buxton S et al., 2011. Geneious v54［CP］. Auckland, New Zealand: Biomatters Ltd
Edgar RC, 2004. MUSCLE: multiple sequence alignment with high accuracy and high throughput［J］. Nucleic Acids Research, 32: 1792—1797
Ellstrand NC, Prentice HC, Hancock JF, 1999. Gene flow and introgression from domesticated plants into their wild relatives［J］. Annual review of Ecology and Systematics, 539—563
Fang Z, Zhao S, Skvortsov AK, 1999. Salicaceae［M］. Flora of China, 4: 139—274
Hamzeh M, Sawchyn C, Perinet P et al., 2007. Asymmetrical natural hybridization between Populus deltoides and Pbalsamifera (Salicaceae) ［J］. Botany, 85: 1227—1232
Hardig T, Brunsfeld S, Fritz R et al., 2000. Morphological and molecular evidence for hybridization and introgression in a willow (Salix) hybrid zone［J］. Molecular Ecology, 9: 9—24
Janzen DH, 2009. A DNA barcode for land plants［J］. Proceedings of the National Academy of Sciences of the United States of America, 12794—12797
Kaplan Z, Fehrer J, 2007. Molecular evidence for a natural primary triple hybrid in plants revealed from direct sequencing［J］. Annals of Botany, 99: 1213—1222
Kimura M, 1980. A simple method for estimating evolutionary rates of base substitutions through comparative studies of nucleotide sequences［J］. Journal of Molecular Evolution, 16: 111—120
Leskinen E, AlstromRapaport C, 1999. Molecular phylogeny of Salicaceae and closely related Flacourtiaceae: evidence from 58 S, ITS 1 and ITS 2 of the rDNA［J］. Plant Systematics and Evolution, 215: 209—227
Lledo MD, Crespo MB, Cameron KM et al., 1998. Systematics of Plumbaginaceae based upon cladistic analysis of rbcL sequence data［J］. Systematic Botany, 21—29
Mogensen HL, 1996. The hows and whys of cytoplasmic inheritance in seed plants［J］. American Journal of Botany, 383—404
Rechinger KH, 1992. Salix taxonomy in Europeproblems, interpretations, observations［J］. Proceedings of the Royal Society of Edinburgh Section BBiological Sciences, 98: 1—12
Rhymer JM, Simberloff D, 1996. Extinction by hybridization and introgression［J］. Annual Review of Ecology and Systematics, 83—109
Rieseberg L, Ellstrand N, Arnold M, 1993. What can molecular and morphological markers tell us about plant hybridization? ［J］. Critical Reviews in Plant Sciences, 12: 213—241
Rieseberg LH, 1995. The role of hybridization in evolution: old wine in new skins［J］. American Journal of Botany, 82: 944—953
Rieseberg LH, 1997. Hybrid origins of plant species［J］. Annual Review of Ecology and Systematics, 359—389
Rieseberg LH, Archer MA, Wayne RK, 1999. Transgressive segregation, adaptation and speciation［J］. Heredity, 83: 363—372
Rieseberg LH, Wendel JF, 1993. Introgression and its consequences in plants［J］. Hybrid Zones and the Evolutionary Process, 70—109
Rudyka E, 1990. Chromosome numbers of vascular plants from the various regions of the USSR［J］. Bot Zhurn, 75: 1783—1786
SaghaiMaroof MA, Soliman KM, Jorgensen RA et al., 1984. Ribosomal DNA spacerlength polymorphisms in barley: Mendelian inheritance, chromosomal location, and population dynamics［J］. Proceedings of the National Academy of Sciences, 81: 8014
Skvortsov AK, 1999. Willows of Russia and Adjacent Countries［M］. Joensuu, Finland: University of Joensuu
Soltis PS, Soltis DE, 2009. The role of hybridization in plant speciation［J］. Annual Review of Plant Biology, 60: 561—588
SPSS, 2002. SPSS 115 for Windows［CP］. Illinois, USA: SPSS Inc Chicago
Suda Y, 1958. The number of chromosomes in some Japanese salicaceous plants. I［J］. Institutes Tohoku University, Ser 4: 1—4
Suda Y, 1963. The chromosome numbers of salicaceous plants in relation to their taxonomy［J］. Science Reports of the Research, 29: 413—430
Tamura K, Peterson D, Peterson N et al., 2011. MEGA5: molecular evolutionary genetics analysis using maximum likelihood, evolutionary distance, and maximum parsimony methods［J］. Molecular Biology and Evolution, 28: 2731—2739
Wolf DE, Takebayashi N, Rieseberg LH, 2001. Predicting the risk of extinction through hybridization［J］. Conservation Biology, 15: 1039—1053
Zha HG, Milne RI, Sun H, 2008. Morphological and molecular evidence of natural hybridization between two distantly related Rhododendron species from the SinoHimalaya［J］. Botanical Journal of the Linnean Society, 156: 119—129
Zhou R, Gong X, Boufford D et al., 2008. Testing a hypothesis of unidirectional hybridization in plants: Observations on Sonneratia, Bruguiera and Ligularia［J］. BMC Evolutionary Biology, 8: 149