Abbott RJ, Hegarty MJ, Hiscock SJ et al., 2010. Homoploid hybrid speciation in action[J]. Taxon, 59 (5): 1375—1386
Abbott RJ, Ritchie MG, Hollingsworth PM, 2008. Introduction. Speciation in plants and animals: pattern and process[J]. Philosophical Transactions of the Royal Society B: Biological Sciences, 363 (1506): 2965—2969
Arnold ML, 1997. Natural Hybridization and Evolution[M]. New York: Oxford University Press
Buerkle CA, Morris RJ, Asmussen MA et al., 2000. The likelihood of homoploid hybrid speciation[J]. Heredity, 84 (4): 441—451
Burland TG, 1999. DNASTAR’s Lasergene sequence analysis software[J]. Methods in Molecular Biology, 132: 71—91
Cao Y, Ma RJ, Wang GX, 2008. The breeding system of three species of genus Ligularia in the east of QinghaiTibet Plateau[J]. Guihaia, 28 (3): 302—306
Chase MW, Paun O, Fay MF, 2010. Hybridization and speciation in angiosperms: a role for pollinator shifts?[J]. BMC Biology, 8 (1): 45
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 : 245—250
CruzMazo G, Buide ML, Samuel R et al., 2009. Molecular phylogeny of Scorzoneroides (Asteraceae): Evolution of heterocarpy and annual habit in unpredictable environments[J]. Molecular Phylogenetics and Evolution, 53 (3): 835—847
Doyle JJ, Doyle JL, 1987. A rapid DNA isolation procedure for small quantities of fresh leaf tissue[J]. Phytochemical Bulletin, 19 (1): 11—15
Gompert Z, Fordyce JA, Forister ML et al., 2006. Homoploid hybrid speciation in an extreme habitat[J]. Science, 314 (5807): 1923—1925
Liu JQ, Liu SW, Ho TN et al., 2001. Karyological studies on the SinoHimalayan genus, Cremanthodiurn (Asteraceae: Senecioneae) [J]. Botanical Journal of the Linnean Society, 135 (2): 107—112
Liu JQ, Wang YJ, Wang AL et al., 2006. Radiation and diversification within the LigulariaCremanthodiumParasenecio complex (Asteraceae) triggered by uplift of the QinghaiTibetan Plateau[J]. Molecular Phylogenetics and Evolution, 38 (1): 31—49
Liu SW, 1989. CompositaeSenecioneae[A]. In: Ling Y, Liu SW (eds.), Flora Reipublicae Popularis Sinicae[M]. Beijing: Science Press, 4—115
Liu SW, Deng DS, Liu JQ, 1994. Origin, evolution and distribution of Ligularia Cass. (Compositae) [J]. Acta Phytotaxonomica Sinica, 32 : 514—525
Liu SW, Illarionova ID, 2011. Ligularia[A]. In: Wu ZY, Raven PH, Hong DY (eds.), Flora of China[M]. Beijing: Science Press; St. Louis: Missouri Botanical Garden Press, 371—544
Liu ZJ, 2002. Life History Strategies of Ligularia virgaurea, an Advantage Toxic Forb in Degradative Rangland of Alpine Meadow (Doctor degree) [D]. Lanzhou: Lanzhou University China
Pan YZ, Shi SH, Gong X et al., 2008. A natural hybrid between Ligularia paradoxa and Lduciformis (Asteraceae, Senecioneae) From Yunnan, China[J]. Annals of the Missouri Botanical Garden, 95 (3): 487—494
Rieseberg LH, 1997. Hybrid origins of plant species[J]. Annual Review of Ecology and Systematics, 28 (1): 359—389
Rieseberg LH, Baird SJE, Gardner KA, 2000. Hybridization, introgression, and linkage evolution[J]. Plant Molecular Biology, 42 (1): 205—224
Rieseberg LH, Raymond O, Rosenthal DM et al., 2003. Major ecological transitions in wild sunflowers facilitated by hybridization[J]. Science, 301 (5637): 1211—1216
Rozas J, SanchezDelBarrio JC, Messeguer X et al., 2003. DnaSP, DNA polymorphism analyses by the coalescent and other methods[J]. Bioinformatics, 19 (18): 2496—2497
Saito Y, Hattori M, Iwamoto Y et al., 2011. Overlapping chemical and genetic diversity in Ligularia lamarum and Ligularia subspicata. Isolation of ten new eremophilanes and a new secobakkane compound[J]. Tetrahedron, 67 (12): 2220—2231
Soltis PS, Soltis DE, 2009. The role of hybridization in plant speciation[J]. Annual Review of Plant Biology, 60: 561—588
Swofford DL, 2002. PAUP*: Phylogenetic Analysis Using Parsimony, Version 40 b10[M]. Sunderland, MA: Sinauer Associates
Thompson JD, Gibson TJ, Plewniak F et al., 1997. The CLUSTAL_X windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools[J]. Nucleic Acids Research, 25 (24): 4876—4882
White TJ, Bruns T, Lee S et al., 1990. Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics[J]. PCR Protocols: A Guide to Methods and Applications, 18: 315—322
Yu JJ, Kuroda C, Gong X, 2011. Natural hybridization and introgression in sympatric Ligularia species (Asteraceae, Senecioneae) [J]. Journal of Systematics and Evolution, 49 (5): 438—448
Zhang Q, Liu Y, Sodmergen, 2003. Examination of the cytoplasmic DNA in male reproductive cells to determine the potential for cytoplasmic inheritance in 295 angiosperm species[J]. Plant and Cell Physiology, 44 (9): 941—951
Appendix: List of accessions of Ligularia included in the phylogenetic analysis of nuclear rDNA ITS and atpBrbcL sequences. GenBank numbers for all accessions are provided.
Accessions, GenBank No.
ITS: Ligularia platyglossa, AY458841; Lstenoglossa, AB523365; Ljaponica, AY458825; Latroviolacea, DQ272322; Lthyrsoidea, DQ272320; Ltaquetii, GU323282; Lkongkalingensis, DQ272343; Lcurvisquama, DQ272324; Lcyathiceps, DQ272328; Llatihastata, DQ272334.
atpBrbcL: Lfranchetiana, AB375447; Loligonema, AB523847; Lanoleuca, AB557885; Lveitchiana, AB557887; Ligularia kanaitzensis var. subnudicaulis, AB281495.
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