Bazzichelli, G. 1967: Studi de l' ciclo de l' Leucanthemum atratum (Jacq. 1762) DC. 1837: sens. ampl. - Ann. Bot. (Rome). 29: 97-156.
Bennett, M.D. & Leitch, I.J. 2005: Nuclear DNA amounts in angiosperms: progress, problems and prospects. -Ann. Bot., 95:45–90.
Darlington, C.D. & Wylie, A.P. 1955: Chromosome atlas of flowering plants, 2nd edn. -George Allen & Unwin, London.
Huziwara, Y., 1962: Karyotype analysis in some genera of Compositae. VШ Further studies on the chromosome of Aster. -Amer. J. Bot., 49: 116-119.
Hanson, L., Brown, R.L., Boyd, A., Johnson, M.A.T. & Bennett, M.D. 2003: First nuclear DNA C-values for 28 angiosperm genera. -Ann. Bot., 91:1–8
Hesamzadeh, S.M. & Rasu, M., 2006: Cytogenetic study of some species of Vetch Genus (Vicia sp) in Iran. -Iranian Journal of Agriculture Science, 37-1(2): 213-225.
Hesamzadeh Hejazi, S.M. & Ziaei Nasab, M., 2009: Cytogenetic study on several populations of diploid species of Onobrychis in natural resources gene bank of Iran.- Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research, 16(2): 158-171.
JMP. 1995: JMP/STAT for windows, version 3.1.2. -SAS Institute Inc.
Javadi, H., Hesamzadeh Hejazi, S.M. & Babayev Majnun, S.H. 2009: Karyotypic Studies of three Thymus (Lamiaceae) species and populations in Iran. -Caryologia 62(4): 316-325.
Lavania, U.C., & Srivastava, S., 1992: A simple parameter of dispersion index that serves as an adjunct to karyotype asymmetry. -J. Biosci., 17 (2): 179-182.
Levan, A.K., Fredga, K., Sandberg, A. A. 1964: Nomenclature for centromeric position on chromosomes. -Hereditas, 52: 201-220.
Martinoli, G., & Ogliotti, P. 1970: Ricerche cito tassonomiche in Artemisia vulgaris L. ed Artemisia verlotorum Lamotte. -J. Bot. Ital., 104: 373-387.
Romero-Zarco, C. 1986: A new method for estimating karyotype asymmetry. -Taxon. 35: 526-530.
Reeves, A. 2001: Micromeasure: a new computer program for the collection and analysis of cytogenetic data. -Genome 44:439–443.
SAS, 1996: SAS/STAT for Windows. Version 6.12 SAS Institute Inc., Cary, NC., USA.
Statisti, X.L. 2007: Statistical for windows, version 1.7. University of Western Australia. From http:// www. statistixl. com.
Stebbins, G.L. 1971: Chromosomal evolution in higher plants. Edward Arnold Publisher LDT, London. 216 pp.
Van Laere, K., Hermans, D., Leus, L. & Van Huylenbroeck, J. 2011: Genetic relationships in European and Asiatic Buxus species based on AFLP markers, genome sizes and chromosome numbers. -Plant Syst. Evol. 293:1–11
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