Leaf spots indefinite or as subcircular to irregular aggregation of reddish dots. Fruiting hypophyllous, effuse, causing irregular dark patches on the lower leaf surface. Secondary mycelium external: hyphae pale olivaceous to pale olivaceous brown, septate, branched, repent, 2-4 μm wide, bearing conidiophores as side branches. Stromata lacking or sometimes developed. Conidiophores arising as single branches from the external hyphae or sometimes 2-14 in a fascicle, subhyaline to pale olivaceous brown, paler at the apex, erect, straight to slightly curved, 1-5 septate, rarely geniculate, conic or conically truncate at the apex, 10-60 × 2-4 μm; conidial scars unthickened. Conidia obclavate or cylindro-obclavate, shorter ones may be cylindric, subhyaline to very pale olivaceous brown, straight, subobtuse or rounded at the apex, obconic or obconically truncate at the base, 25-90 × 3-4 μm; hilum unthickened.
Most of the specimens examined show unfasciculate conidiophores; however, one of the leaves of specimen NCHUPP-55b shows fasciculate conidiophores on an angular spot of width 10 mm. Since the morphology of conidiophores (other than fasciculation) and conidia are indistinguishable from those of the unfasciculate ones, we regarded they are the same fungus.
Phylum：Ascomycota >> Class： Dothideomycetes >> Order： Dothideomycetes 
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