A dark septate endophytic fungal strain 13E043 was isolated from the needle leaves of Thuja koraiensis from a forest
in Korea. Morphological characteristics of conidia and phialids. Along with a molecular phylogenetic analysis based on the internal
transcribed spacer region of rDNA, the isolate was identified as (also known as piceae). This is
the first report of a dark septate endophyte isolated from the foliage of conifer trees in Korea.