Phylum：Basidiomycota　>>　Class： Basidiomycetes　>>　 Order： Boletales 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Pseudomerulius aureus
 
   
   
　Author：

Basionym: Merulius aureus Fr., Elenchus 1: 62. 1828.

Pseudomerulius aureus (Fr.) J?lich, Persoonia 10: 300. 1979.
   
 
 
 
 
　Description： Basidiocarp effuse-reflexed, ± separable, ceraceous, brittle when dry, up to ca. 1000 μm thick in section. Hymenial surface brownish yellow, irregularly folded, not cracked; margin recurved, white or slightly yellow. Hyphal system monomitic; hyphae nodose-septate. Subiculum fairly uniform, composed of medullary layer, with fairly loose texture; hyphae hyaline, variously oriented, fairly straight, 2.5-4.5 μm diam., thin- or ± thick-walled, anastomoses occasional, sometimes with ampullate septa. Subhymenium differentiated, thickeing, with compact texture; hyphae with ± thick walls. Cystidia lacking. Basidia clavate, 13-18 × 4-4.5 μm, usually basally thick-walled, 4-sterigmate. Basidiopores ellipsoid or narrowly ellipsoid, smooth, thin-walled, with small oil-drops, 3-4 × 1.5-1.8 μm, IKI–, ± CB ＋.
 
 
 
 
 
　Specimens：

Taiwan. Nantou: Yushan National Park, Lulinshan, alt. 2,600 m, on fallen branch of Pinus taiwanensis (associated with a brown rot), 5 Oct 1992, Wu 9210-7 (TNM, GB).
 
 
 
　Habitat： null
 
 
 
　Distribution：

Pantemperate.
 
 
 
　References：

Wu, SH. 1993.
   
   
   
　Provided：

S. H. Wu
 
 
　Note： Pseudomerulius is regarded as the same family as Leucogyrophana and Serpula, a member of Coniophoraceae Ulbr., typically causing a brown rot in wood.