%0 Journal Article %T Biosystematic study of the genus Berberis L. (Berberidaceae) in Khorassan, NE Iran %A , %A Bahrami, Ahmad Reza %A Memariani, Farshid %A Ejtehadi, Hamid %A Vaezi, Jamil %A Ahmad Reza Khosravi %J Plant Systematics and Evolution %@ 0378-2697 %D 2012