Chapman, S. R. &Yuan, M. 1968: Cytological and morphological variation in breeding stocks of Onobrychis. A preliminary report. -Montana State University. Bulletin 627: 93-96.
Darlington, C. D. &Wylie, A. P. 1955: Chromosome atlas of flowering Plants. -George Allen &Unwin, LTD.
Das, A. B., Basak, U. C. &Das, P. 1998: Karyotypeanalysis and estimation of Nuclear DNA Content in 6 species of Acacia (Fabaceae). -The Iranian Journal of Botany, 7(2): 165-177.
Goldblatt, P. 1981: Index to plant chromosome numbers for 1975-1978. -Missouri Botanical Garden.
Goldblatt, P. &Johnson, D. E. 1991: Index to plant chromosome numbers for 1988-1989. -Missouri Botanical Garden.
Goldblatt, P. &Johnson, D. E. 1995: Index to plant chromosome numbers for 1992-1993. -Missouri Botanical Garden.
Goldblatt, P. &Johnson, D. E. 1998: Index to plant chromosome numbers for 1994-1995. -Missouri Botanical Garden.
Kidambi, S. P., Mahan, J. R. &Matches, A. G. 1990: Interspecific variation for thermal dependence of GlutathioneReductase in sainfoin, TAG, 79: 5, 600-604.
Levan, A., Fredgam, K. & Sandberg, A. A. 1964: Nomenclature for centrometric position of chromosomes. -Heriditas, 52: 201-220.
Rechinger, K. H. 1984: Onobrychis in Flora lranica 157: 387-484. -AkadernischeDruck&Verlagsanstalt Graz.
Sheidai, M., Ahmadian, P. &Poorseyedi, Sh. 1996: Cytologicalstudies in Iran zirafromthreegenera: Bunium, Carum and Cuminium. -Cytologia, 61: 19-25.
Stebbins, G. L. 1958: Longevity, habitat and release of geneticvariability in the higher plants. -Gold SpringHarb. Symp. Quant. Bio., 23: 365-378.
Rahimi, A., Kianmehr, H., Koochaky, E. &Saghafi, Kh. F. 1999: Study of someecological aspects of OnobrychischorassanicaBge. inKhorassan province. Proc. of the 8thIranianConference of Biology, page 98, Kermanshah, Iran.
Zohary, M. 1972: Flora Palestina 2: 106-111.The IsraaelAcademy of sciences and humanities.
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