Ali Asghar Maassoumi - Research Institute of Forests and Rangelands
Seyed Reza Safavi - Research Institute of Forests and Rangelands
Bahman Alizadeh - Research Center of Natural Resources of Uroumiyeh
Mohammad Reza Joharchi - Research Centre of Plant Sciences, the Herbarium, Ferdowsi University, Mashhad
Hasan Amirabadizadeh - Research centre of Agriculture and Natural Resources, Mashhad.

Some new records of Astragalus from Khorassan and Azarbayejan provinces including A. leiosemius from sect. Aegacantha; A. versipilus from sect. Erioceras and A. shebarensis from sect. Trachycercis in Khorassan province and A. asciocalyx Bunge from sect. Onobrychoidei D.; A. incertus Ledeb., A. dzhebrailicus Grossh. and A. psoraloides all from sect. Hololeuce Bunge are recorded form W. Azarbayejan province.

Taxonomy, Astragalus, sect. Aegacantha, sect. Erioceras, sect. Hololeuce, sect. Trachycercis, sect. Onobrychoidei, new records, Iran