Phylum：Ascomycota　>>　Class： Dothideomycetes　>>　 Order： Dothideomycetes 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Pseudocercospora pyrina
 
   
   
　Author：

Pseudocercospora pyrina Goh & Hsieh. Cercospora and similar fungi from Taiwan. Maw Chang Book Company, Taipei, Taiwan, 1990.
   
 
 
 
 
　Description： Leaf spots none or indefinite on the upper surface. Fruiting amphigenous, but more abundant on the lower surface, effuse, grayish, without definite border, usually confluent and covering a large area of the leaf surface. Stromata none or only epiphyllous, substomatal or erumpent, globular, dark brown, up to 35 μm wide. Secondary mycelium well developed, external, hypophyllous: hyphae subhyaline to very pale olivaceous, emerging from the stomata, septate, branched, 1.5-3 μm wide, bearing secondary conidiophores as erect side branches. Primary conidiophores 2-4 in a fascicle without a stroma or densely fasciculate on a prominent stroma, olivaceous to very pale olivaceous brown, paler towards the apex, indistinctly 0-3 septate, sometimes constricted, irregular in width, broader at the apex, straight or sinuous, sometimes branched, geniculate, conic or conically rounded or subtruncate at the apex, 20-45 × 3-4.5 μm; conidial scars unthickened. Secondary conidiophores borne on external secondary mycelial hyphae, similar in respect to the primary conidiophores, 7-40 × 3-4.5 μm. Conidia subhyaline to very pale olivaceous, cylindric or cylindro-obclavate, straight to rarely curved, indistinctly 2-6 septate, subacute to subobluse at the apex, subtruncate or obconically truncate at the base, 15-50 × 2-3 μm, hilum unthickened.
 
 
 
 
 
　Specimens：

Taiwan, Taichung, NCHU Campus, 15 Dec. 1984, holotype, NCHUPP-60.
 
 
 
　Habitat： On leaves of Pyrus lindleyi.
 
 
 
　Distribution：

Taiwan.
 
 
 
　References：

null
   
   
   
　Provided：

W. H. Hsieh
 
 
　Note： Pseudocercospora piricola (Sawada) Goh & Hsieh differs from this fungus by the absence of extensive external secondary mycelium and by its conidiophores which are unbranched, cylindric, and densely fasciculate on stromata.