Analysis of population structure revealed apparent genetic disturbance in Korea Cymbidium collection

► Cymbidium sinensis is not as well distributed and abundant as C. goeringii in Korea. ► Cymbidium goeringii is genetically closer to C. sinensis than to C. hybridium. ► Influencing disturbances were apparent in Korea Cymbidium population. ► The genetic distribution in Cymbidium is not related to geographical area in Korea.