Phylum：Basidiomycota　>>　Class： Ustilaginomycetes　>>　 Order： Exobasidiales 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Exobasidium pieridis-ovalifoliae
 
   
   
　Author：

Exobasidium pieridis-ovalifoliae Sawada, Descript. Cat. Formosa Fungi V, p65, 1931..
   
 
 
 
 
　Description： Leaf spots pale circular, about 2-6mm, green-yellow to yellowish, sometimes with red color. Hymenium composed of basidia, basidiospores and conidia. Basidia hyaline, cylindrical to clavate, (15-)19.5-43 × (4-)5-9μm, with 2-3(-4) sterigmata. Sterigamata subulate, (2.5-)3-5(-6) × 1-2.5μm. Basidiospores hyaline, smooth, obovoid to ellipsoidal, slightly curved and tapered at the end, banana-shape, 13.6-20.5 × (3.5-)4.5-6μm, with 1-3(-5) septa at mature. Conidia bacilliform, fusiform, 4-14(-19.5) × 1-2(-2.5)μm, with 0-1 septum. Basidiospores on water agar germinating from both ends and directly producing abound conidia without germ tubes. Colonies on PSA yeast-like, sticky, smooth or slightly wrinkled, pale orange to pale yellow in early stage, and consisting of abundant conidia and hyphae.
 
 
 
 
 
　Specimens：

On Lyonia ovalifolia (Wall.) Drude var. ovalifolia: Nantou, RenAi Township, 21 May 2005, NTUPPM-563; Nantou, Piluchi, 22 May 2005, NTUPPM-565; Nantou, Piluchi, 22 May 2005, NTUPPM-572.
 
 
 
　Habitat： On leaves.
 
 
 
　Distribution：

Taiwan, Japan
 
 
 
　References：

Sawada, K., 1931; Shih, H. H, 2006
   
   
   
　Provided：

Shih, H. H. and Hsieh, H. J.
 
 
　Note： null