Passalora tithoniae (R.E.D. Baker & W.T. Dale) U. Braun & Crous, Mycosphaerella and its anamorphs: 1. Names published in Cercospora and Passalora: 404. 2003.
Description：
Leaf spots distinct, brown, with yellowish to orange margin, angular or irregular, vein limited, 2-8 mm in diameter, coalescing and covering the whole surface of the leaf. Fruiting amphigenous. Secondary mycelium external: hyphae emerging through the stomata, bearing secondary conidiophores laterally, septate, pale olivaceous, 2-2.5 μm wide. Stromata poorly developed or consist of several brown cells, up to 45 μm in diameter. Conidiophores 2-8 in a fascicle, emerging through the stomata, pale olivaceous brown, uniform in color, not branched, erect or slightly tortuous, septate and geniculate, conidial scars conspicuously thickened, 30-90 × 3-4 μm. Conidia obclavato- cylindric, subhyaline to pale olivaceous, straight or slightly curved, 1-8 septate, rounded at the apex, obconically truncate at the base, catenulale, each end of the conidia holding a conspicuously thickened hilurn, 30-50 × 3.5-5 μm.
Phylum：Ascomycota >> Class： Dothideomycetes >> Order： Dothideomycetes 
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