Bagheri, A., Maassoumi, A. A., Rahiminejad, M. R., Brassac, J. & Blattner, F. R. 2017: Molecular phylogeny and divergence times of Astragalus section Hymenostegis: An analysis of a rapidly diversifying species group in Fabaceae. -Sci. Rep. 7: 14033.
Barneby, R. 1964: Atlas of North American Astragalus. Memoirs of the New York Botanical Garden 13: 1-1188.
Blattner, F. R. 1999: Direct amplification of the entire ITS region from poorly preserved plant material using recombinant PCR. -Biotechniques 29: 1180-1186.
Boissier, E. 1872: Flora Orientalis, vol. 2. -Geneva, Basel, Switzerland.
Bunge, A. 1868: Generis Astragali species Gerontogeae. Pars prior, claves diagnosticae. Mémoires de l’Académie Impériale des Sciences de Saint Pétersbourg, Septièmesérie 11: 1-140.
Bunge, A. 1869: Generis Astragali species Gerontogeae. Pars altera, Specierum enumeration. Mémoires de l’Académie Impériale des Sciences de Saint Pétersbourg, Septième série 15: 1-245.
Djamali, M., Brewer, S., Breckle, S.W. & Jackson, S.T. 2012: Climatic determinism in phytogeographic regionalization: A test from the Irano‐Turanian region, SW and Central Asia. Flora 207: 237-249.
ESRI. 2016: ArcGIS Desktop: Release 10.4.1. Environmental Systems Research Institute. Redlands, CA, USA.
Farris, J. S., Källersjö, M., Kluge, A. G. & Bult, C. 1994: Testing significance of incongruence. -Cladistics 10 (3): 315-319.
Ghahremaninejad, F. & Behçet, L. 2003: Astragalus subhanensis (Fabaceae), a new species from Turkey. Ann. Bot.
Fennici 40(3): 209-211.
Ghahremaninejad, F., Nejad Falatoury, A. & Memariani, F. 2020: Typification and an emended description of
Astragalus moussavii (Fabaceae, Papilionoideae). -Phytotaxa 441 (1): 060-068.
Komarov and B. K. Shishkin [eds.] 1965: Flora of the U.S.S.R., vol. 12, 1-918. Israel Program for Scientific Translations, Jerusalem, Smithsonian Institution and the National Science Foundation, Washington DC.
Maassoumi, A. A. 1998: Astragalus in the Old World, checklist. 617 pp. Research Institute of Forests and Rangeland. -Tehran, Iran.
Maassoumi, A. A., Kazempour Osaloo, Sh. & Sotoodeh, A. 2016: A new infrageneric grouping of Astragalus (Fabaceae). -Iran. J. Bot. 22 (2): 88-100.
Mahmoodi, M., Maassoumi, A. A. & Noroozi, J. 2013: A new alpine species and a new record of Astragalus sect. Stereothrix (Fabaceae) from Iran, with comments on the phytogeography of the section. -Willdenowia 43: 263-270.
Mahmoodi, M., Maassoumi, A. A. & Hamzeh’ee, B. 2009: Geographic distribution of Astragalus (Fabaceae) in Iran. -Rostaniha 10 (1): 112-132 (In Persian).
Noroozi, J., Talebi, A., Doostmohammadi, M., Manafzadeh, S., Asgarpour, Z., Schneeweiss, G.M. 2019: Endemic diversity and distribution of the Iranian vascular flora across phytogeographical regions, biodiversity hotspots and areas of endemism. -Sci. Rep. 9: 12991.
Noroozi, J., Pirani, A., Moazzeni, H., Mahmoodi, M., Zare, G., Noormohammadi, A., Barfuss, M. H. J., Suen, M. & Schneeweiss, G. M. 2020: The new locally endemic genus Yazdana (Caryophyllaceae) and patterns of endemism highlight the high conservation priority of the poorly studied Shirkuh Mountains (central Iran). -J. Syst. Evol. 58(3): 339-353.
Podlech, D. & Zarre, Sh. (with contributions by Ekici, M. Maassoumi, A. A. & Sytin, A.) 2013: A taxonomic revision of the genus Astragalus L. (Leguminosae) in the Old World. vols. 1-3. -Naturhistorisches Museum, Wien, Vienna, 2439 pp.
Podlech, D., Zarre, Sh., Maassoumi, A. A., Ekici, M. & Sytin, A. 2010: Flora Iranica, Papilionaceae VI, Astragalus L. IV & Barnebyella Podlech. No. 178. -AkademischeDruck-u. Verlagsanstalt, Graz, Austria, 430 pp.
Podlech, D., Maassoumi, A. A. & Zarre, Sh. 2012: Flora Iranica, Papilionaceae VII, Astragalus L. V. No. 179. -Akademische Druck-u. Verlagsanstalt, Graz, Austria, 312 pp.
Posada, D. & Crandall, K. A. 1998: Model test: Testing the model of DNA substitution. Bioinformatics 14: 817-818.
Ronquist, F. & Huelsenbeck, J. P. 2003: MrBayes 3: Bayesian phylogenetic inference under mixed models. -Bioinformatics 19: 1572-1574.
Rydberg, P. 1929: Astragalaneae. Pp. 251-462. In: North American Flora. 24: parts 5-7.
Thiers, B. 2020 [continuously updated]: Index herbariorum: a global directory of public herbaria and associated staff. -Published at http://sweetgum.nybg.org/science/ih/ [accessed 9 June 2020].
Wojciechowski, M. F., Lavin, M. & Sanderson, M. J. 2004: A phylogeny of Legums (Leguminosae) based on analysis of the plastid matK gene resolves many well-supported subclades within the family. -Am. J. Bot. 91: 1846-1862.
Zarre, S. and Podlech, D. 2001: Astragalus sect. Semnanenses (Fabaceae): a new monotypic section from Iran. -Nord. J. Bot. 21 (5): 485-491.
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