Phylum:Basidiomycota >> Class: Basidiomycetes >>  Order: Poriales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Oligoporus guttulatus

Oligoporus guttulatus ( Pk.) Gilbn. & Ryv., Mycotaxon 22: 365. 1985.

 Description: Basidiocarp annual, sessile or laterally substipitate; pilei solitary or imbricate, dimidiate to flabelliform, applanate, up to 4 × 6 × 2 cm; upper surface white when fresh, drying buff or pale brown, azonate or faintly zonate, glabrous, smooth, pelliculose, often with small, shallow, circular depressions 1-3 mm in diameter; pore surface white to cream, drying pale buff, circular to angular, 4-6 per mm context white to cream, up to 1.2 cm thick; tube layer with a pale greenish tint in fresh specimens, concolorous with the context, up to 4 mm thick. Hyphal system monomitic; generative hyphae with clamps, some extremely thick-walled with a narrow, capillary lumen, occasionally nodose-septate, commonly branching opposite the clamp, 4-7(-10) μm in diameter. Basidiospores short-cylindric to oblong, hyaline, smooth, IKI-, 4-5 × 2-2.5 μm.

Taiwan, Taichung : Chingshan, alt. 2000 m, on basal stem of Pseudotsuga wilsoniana, Sep 1992, TFRI 435.

 Habitat: Lignicolous causing brown rot of wood.

North America, Europe, Japan, Taiwan.


Chang, TT. 1995.


T. T. Chang

 Note: The circular depressions on the pilear surface, the thin, sometimes substipitate basidiocarps are good characteristics.