Hamid Reza Sharghi - Dept. of Botany, Research Center for Plant Sciences, Ferdowsi University of Mashhad
Ali Asghar Arjmandi - graduate student of Shahid Bahonar University Kerman, Iran.
Farshid Memariani - Dept. of Botany, Research Center for Plant Sciences, Ferdowsi University of Mashhad
Mohammad Reza Joharchi - Dept. of Botany, Research Center for Plant Sciences, Ferdowsi University of Mashhad

Rosa freitagii Ziel. is reported as a new species for the flora of Iran from South Khorassan province. This species is morphologically compared with its closely related species, Rosa moschata Herrm., previously recorded for Iran. Illustrations, distribution map and notes on biogeography, conservation status and habitats of R. freitagii are provided. Furthermore, previous reports concerning the peresence of Rosa webbiana Wall. in Iran and R. boissieri Crép in Khorassan will be discussed.

Rosa sect. Synstylae, new record, Khorassan, Iran