Aryavand, A. 1977: IOPB chromosome number reports LVII. -Taxon 26: 443-452.
Badr, A., Hamoud, M.A. and El-Rabey, H.A. 1996: Chromosomal studies in the Egyptian flora V. Chromosomal relationships in the genus Astragalus L. (Fabaceae). -Cytologia 60: 105-111
Cartier, D. 1979: Premieres prospections caryologiques du genre Astragalus L. dans la flore du basin mediterraneen oriental. -Revue de Cytologie et de Biologie Végétales, le Botaniste 2: 169-181.
Hu, J.M., Sanderson, M. J. and Wojciechowski, M.F. 2008: Website for the largest genus of vascular plants, Astragalus. http://loco.biosci.arizona.edu/astragalus/astragalus home.htm
Javadi, H. 2006: Study of kryotype in three Astragalus species. -Pajouhesh & Sazandegi 73: 131-135.
Levan, A., Fredga, K. and Sandberg, A. 1964: Nomenclature for centromeric position on chromosomes. -Hereditas 52, 201–220.
Liston, A. 1992a: Variation in the chloroplast genes rpoC1 and rpoC2 of the genus Astragalus (Fabaceae): evidence from restriction site mapping of a PCR-amplified fragment. -American Journal of Boany 79: 953-961.
Liston, A. 1992b: Isozyme systematics of Astragalus sect. Leptocarpi subsect. Californici (Fabaceae). -Systematic Botany 17: 367-379.
Löve, Á. and Löve, D. 1982: IOPB chromosome number reports LXXV. -Taxon 31 (2): 344-360.
Maassoumi, A.A. 1986: Astragalus L., Vol. 1, Annuals Publication, Technical Publication 47. -Research Institute of Forests and Rangelands, Tehran.
Maassoumi, A.A. 1987: Notes on the genus Astragalus in Iran I, cytotaxonomic studies on some species. -Iranian Journal of Botany 3: 117-128.
Mabberley, D.J. 1997: The Plant-Book, A Portable Dictionary of the Vascular Plants, 2nd edition. -Cambridge University Press.
Magulaev, A.J. 1980: Chromosome numbers of some Fabaceae in North Caucasus. - Botany Zurnal 65: 836-843.
Magulaev, A.J. 1989: Chromosome numbers in some Astragalus (Fabaceae) species of the Caucasus flora. -Botaničeskij Žurnal (Moscow & Leningrad). 74: 1519--1521
Parfitt, B.D., Baker, M.A. and Gallagher, M.L. 1985: Chromosome Number Reports LXXXVI. -Taxon, 34: 159-164 .
Polhill, R.M. 1981: Carmichaelieae. In: Polhill, R. M. and Raven, P.H. (eds.), Advances in Legume Systematics, part 1, 364-366. -Royal Botanical Gardens, Kew, U. K.
Sanderson, M.J. and Doyle, J.J. 1993: Phylogenetic relationships in North American Astragalus (Fabaceae) based on chloroplast DNA restriction site variation. -Systematic Botany 18: 395-408.
Sheidai, M., Maasoumii, A.R. and Pakravan, M. 1996: Karyotypes of some Astragalus taxa (Sec. Xiphidium Bge) from Iran. -Nucleus 39 (3): 111-113.
Sheidai, M. and Rashid, S., 2007: Cytogenetic study of some Hordeum L. species in Iran. -Acta Biol. Zseged. 51: 107-112.
Sheidai, M. and Jalilian, N. 2008: Karyotypic studies in some species and populations of the genus Lotus L. in Iran. -Acta Botanica Croatica 67: 45-52.
Spellenberg, R. 1976: Chromosome numbers and their cytotaxonomic significance for North American Astragalus (Fabaceae). -Taxon 25: 463 - 476.
Stebbins, G. L. 1971: Chromosomal evolution in higher plants. -Edward Arnold, London.
Wojciechowski, M.F., Sanderson, M.J., Baldwin, B.G. and Donoghue, M.J. 1993: Monophyly of anueploid Astragalus (Fabaceae): Evidence from nuclear ribosomal DNA-ITS sequences. -American Journal of Botany 80:711-722.
Wojciechowski, M.F., Sanderson, M.J. and Hu, J.M. 1999: Evidence on the monophyly of Astragalus (Fabaceae) and its major subgroups based on nuclear ribosomal DNA ITS and chloroplast DNA trnL intron data. -Systematic Botany 24: 409-437.
Zarre, M.S. 1999: Systematic revision of Astragalus sect. Adiaspastus, sect. Macrophyllium and sect. Pterophorus (Fabaceae). -Englera 18: 1-219.
Zhukova, P.G. 1983: Chromosome numbers of some species of the family Fabaceae from North-East Asia. -Botaniceskjij Žurnal (Moscow & Leningrad) 68 (7): 925-932.