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

Pseudocercospora lagerstroemiigena Goh & Hsieh. Cercospora and similar fungi from Taiwan. Maw Chang Book Company, Taipei, Taiwan, 1990.

 Description: Leaf spots suborbicular to irregular, reddish brown to dingy grey brown, sometimes with a dark brown margin, confluent, 2-10 mm wide. Fruiting amphigenous. Secondary mycelium external, hypophyllous, copious: hyphae subhyaline to very pale olivaceous, repent, close septate, 1.5-3 μm wide, bearing secondary conidiophores as lateral branches. Stromata subglobose, immersed, olivaceous brown, 15-40 μm wide. Primary conidiophores densely fasciculate on the stromata, very pale olivaceous, slightly undulate, rarely septate, not branched, 0-2 mildly geniculate, conically rounded at the apex, 10-30 × 2-3 μm; conidial scars unthickened. Secondary conidiophores borne on external secondary conidiophores, similar to the primary ones, 5-15x2-3 μm. Conidia subhyaline or very pale olivaceous, cylindric to filiform or cylindro-obclavate, substraight to curved, indistinctly 1-9 septate, subacute to subobtuse at the apex, obconic to obconically truncate at the base, 10-80 × 2- 3 μm; hilum unthickened and inconspicuous.

Taiwan, Taichung, NCHUPP Campus, 29 Oct. 1985, holotype, NCHUPP-196.

 Habitat: On leaves of Lagerstroemia speciosa (L.) Pers.





W. H. Hsieh

 Note: This fungus differs from Cercospora lythracearum Heald & Wolf (Mycologia 3:18,1911) and Pseudocercospora lagerstroemiae-subcostatae (Sawada) Goh & Hsieh by its well developed external secondary mycelium.