Reza Sheikh Akbari Mehr - PhD Student / Department of Botany, Biological Sciences Faculty, Shahid Beheshti University G. C., Tehran, Iran
Majid Ghorbani Nohooji - PhD students / Department of Botany, Biological Sciences Faculty, Shahid Beheshti University G. C., Tehran, Iran
Abbas Saidi - Associate Professor / Department of Agricultural Biotechnology, Energy Engineering and Modern Technologies Faculty, Shahid Beheshti University G. C., Tehran, Iran

During investigation on the genus Astragalus L., in various geographical regions of Iran, a new species (A. montismishoudaghi) was recognized and thus described here. This new species is closely related to A. ledinghamii, with some morphological differences and a great geographical disjunction.

Astragalus, Fabaceae, new species, Iran