Bagheri, A., Maassoumi, A. A. & Ghahremaninejad, F. 2011: Additions to Astragalus sect. Hymenostegis (Fabaceae) in Iran. -Iran. Journ. Bot. 17 (1): 15-19.
Boissier, E. 1843: Diagnoses Plantarum Orientalium Novarum, Ser. 1, 2: 65. -Genevae, Lipsiae & Parisiis.
Boissier, E. 1872: Astragalus erythrolepis Boiss. in Flora Orientalis, vol. 2: 310-311. -Genevae, Basileae & Lugundi.
Bornmüller, J. 1908: Astragalus leucargyreus Bornm. - Mitth. Thür Bot. Vereins, ser. 2, 23: 13.
Bunge, A. 1868: Generis Astragali species gerontogeae. Pars prior, claves diagnosticae. -Mem. Acad. Imp. Sci. St. Petersbourg 11 (16): 1-140.
Bunge, A. 1869: Generis Astragali species gerontogeae. Pars altera, soecierum enumeratio. -Mem. Acad. Imp. Sci. Saint Petersbourg 15 (1): 1-245.
Chamberlain, D. F. & Matthews, V. A. 1970: Astragalus L. in Davis, P. H. (ed.), Flora of Turkey and the East Aegean Islands, vol. 3: 49-254. -Edinburgh at the University Press.
Deml, I. 1972: Revision der sektionen Acanthophace Bge. Und Aegacantha Bge. der Gatung Astragalus. - Boissiera 21: 1-235.
Fischer, F. B. 1853: Synopsis Astragalarum Tragacantharum. -Bull. Soc. Imp. Nat. Mosco 26
(2): 314-486.
Ghahremaninejad, F. 1992a: A revision on the sect. Hymenostegis Bunge of the genus Astragalus (Fabaceae) M. Sc. dissertation, Tarbiat Moallem University, Tehran.
Ghahremaninejad, F. 1992b: A new species of the genus Astragalus, sect. Hymenostegis from N.W. Iran. -Iran. Journ. Bot. 5 (2): 105-109.
Ghahremaninejad, F. & Podlech, D. 2005: Astragalus assadabadensis (Fabaceae), a new species from Iran. -Ann. Bot. Fennici 42: 207-209.
Gontscharov, N. T. 1946: Astragalus L. in Komarov, V. L. (ed.), Flora of the U.S.S.R. 12: 1–681. -Moskova & Leningrad.
Kazempour Osaloo, S., Maassoumi, A. A. & Murakami, N. 2003: Molecular systematic of the genus Astragalus L. (Fabaceae): Phylogenetic analyses of nuclear ribosomal DNA internal
transcribed spacers and chloroplast gene ndhF sequences. -Plant Syst. Evol. 242: 1-32.
Kazempour Osaloo, S., Maassoumi, A. A., & Murakami, N. 2005. Molecular systematics of the Old World Astragalus (Fabaceae) as inferred from nrDNA ITS sequence data. -Brittonia 57 (4): 367-381.
Kazemi, M., Kazempour Osaloo, S., Maassoumi, A. A. & Rastegar Pouyani, E. 2009: Molecular phylogeny of selected Old World Astragalus (Fabaceae): incongruence among chloroplast trnL-F, ndhF and nuclear ribosomal DNA ITS sequences. -Nordic Journal of Botany 27: 425–436.
Lock, J. M. & Simpson K. 1991: Legumes of West Asia, a check list. -Royal Bot. Gardens, Kew.
Maassoumi, A. A. 1995: Additions to the genus Astragalus (Papilionaceae) in Iran. -Iran. Journ. Bot. 6 (2): 197-214.
Maassoumi, A. A. 1995: New species of the genus Astragalus sect. Hymenostegis (Papilionaceae) from Iran. -Iran. Journ. Bot. 6 (1): 251-253.
Maassoumi, A. A. 1995: The Genus Astragalus in Iran, vol. 3, 141 pp. in English. -Research Institute of Forests and Rangelands, Tehran.
Maassoumi, A. A. 1998: Astragalus in the Old World, Check-List. -Research Institute of Forests and Rangelands, Tehran.
Maassoumi, A. A. 2005: The genus Astragalus in Iran. -Research Institute of Forests and Rangelands, Tehran.
Maassoumi, A. A., 2007: Two new species of the genus Astragalus L. (Fabaceae) from Iran. - Iran. Journ. Bot. 13 (2): 78-81.
Maassoumi, A. A. & Maroofi, H. 2006: A new species of the genus Astragalus L. sect. Hymenostegis from Kurdistan, Iran. -Iran. Journ. Bot. 12 (1): 92-93.
Parsa, A. 1948: Astragalus in Flore de l’Iran, vol. 2: 124-383. -Publication du Ministere de L’Education Museum D’Histoire Naturelle De Teheran.
Podlech, D. 1982: Neue Aspektre zur Evolution and Gliederung der Gattung Astragalus L. -Mitt. Bot. Munchen 18: 359-378.
Podlech, D. 1990: Die Typifizierung der altweltlichen sektionen der gattung Astragalus L. (Legumonosae). -Mitt. Bot. Stataaml. Munchen 29: 478 (1990).
Podlech, D. 1999: New Astragali and Oxytropis from North Africa and Asia, including new combinations and remarks on some species. -Sendtnera 6: 135–174.
Podlech, D. 2004: New species of Astragalus L. (Leguminosae), mainly from Iran. -Ann. Naturhist. Mus. Wien 105: 565-596.
Podlech, D., Maassoumi, A. A. 2001: Astragalus sect.: Hymenostegis in Rechinger, K. H. (ed.), Flora Iranica, no. 175: 127-183. -Academische Verlag Salzburg.
Polhill R. M. 1981: Galegeae. in Polhill R. M. & Raven P. H. (eds.), Advances in Legume Systematics, Part 1. -Royal Bot. Gardens. Kew.
Rechinger, K. H., Dulfer, H. & Patzak, A. 1959: Širjaevii fragmenta Astragalogica V. sect. Hymenostegis. —-Österr. Akad. Wiss., Math.-Naturwiss. Kl., Abt. 1, Biol. 168(2): 95-115.
Townsend, C. C. 1974: Astragalus L. in Townsend, C. C. & Guest E. (eds.), Flora of Iraq, vol. 3: ??-?? Baghdad: Ministry of Agriculture and Agrarian Reform.
Ranjbar, M. 2010: Taxonomic notes on the genus Astragalus (Fabaceae) in Iran, with the description of a new species. -Phytotaxa 7: 46–51.
Tietz, S. 1988: Revision von Astragalus L. sect. Campylanthus Bunge, sect. Microphysa Bunge Und sect. Poterion Bunge. -Mitt. Bot. Staatssamml. München 27: 135-380.
Tietz, S. & Zarre, S. 1994: Revision von Astragalus L. sect. Megalocystis Bunge (Fabaceae). -Sendtnera 2: 287-363.
Yakovlev, G. P., Sytin, A. K. & Roskov, Yu. R. 1996: Legumes of Northern Eurasia, a check-list. -Royal Bot. Gardens, Kew.
Zarre, S. 2000: Systematic revision of Astragalus sect. Adiaspastus, sect. Macrophyllium and sect. Pterophorus (Fabaceae). -Englera 18: 1-219.
Zarre, S., Maassoumi, A. A. & Podlech, D. 2008: Astragalus L. in Rechinger, K. H. (ed.), Flora Iranica, no. 177. - Graz.
Zarre, S. & Podlech, D. 1996: Taxonomic revision of Astragalus L. sect. Hymenostegis Bunge (Leguminosae). -Sendtnera 3: 255-312.
)
