Plant–endophytic fungus interactions have been extensively investigated. Most of the symbionts may have helped for host plants. It has also been confirmed that the pathogenic–endophytic lifestyles of some fungi are interchangeable . These phenomena are caused by many factors, such as environment changes, chemical inducers, and molecular and genetic bases . Groups of fungal phytopathogens also contain large numbers of endophytic taxa. In this study, isolates PH30409 and PH30412 caused root-rot symptoms in experimental infection through detached healthy roots of P. notoginseng (unpublished data).