Estimation of genetic diversity in some Iranian cornelian cherries (Cornus mas L.) accessions using ISSR markers

► Genetic variation on Cornus mas L. accessions was evaluated by ISSR. ► Genetic similarity coefficients ranged from 0.33 to 0.731. ► Cluster analysis separated the accessions into 5 main groups. ► Great genetic diversity was observed among Iranian Cornelian cherry accessions.