Pseudoplagiostoma dipterocarpi sp. nov., a new endophytic fungus from Thailand

•A new endophytic fungus was isolated from leaves of Dipterocarpus tuberculatus.•This fungus is reported as Pseudoplagiostoma dipterocarpi sp. nov.•Morphological description, a key and phylogenetic trees are provided.

A new species of endophytic fungi, described herein as Pseudoplagiostoma dipterocarpi, was isolated from leaves of Dipterocarpus tuberculatus in Chiang Mai Province, Thailand. Morphological characteristics indicated that its conidial length was longer than in previously described Pseudoplagiostoma species. Phylogenetic analysis also supports the morphological results. A description, illustration and a key to species are provided.