گیاه شناسی ایران- Iranian Journal of Botany, ( ISI ), Volume (15), No (2), Year (2009-12) , Pages (183-185)
Title : ( Calendula karakalensis (Asteraceae) ,A new record for the flora of Iran )
Authors: E. Jafari , Mohammad Reza Joharchi ,File:
Full Text

Abstract
Calendula karakalensis Vass. which has been collected from Khorassan province is reported as a new species from Iran.