Phylum:Basidiomycota >> Class: Basidiomycetes >>  Order: Tremellales 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Tremella cerebriformis
 
   
   
 Author:

Tremella cerebriformis C.-J. Chen, Bibliotheca Mycologica 174: 1-225. 1998.

   
 
 
 
 
 Description: Basidiocarps gyrose to cerebriform, lucid, soft gelatinous, 2-3 cm ø, slightly whitish yellow when fresh, drying pale yellow, flat on the substrate. Basidia ±globose, subglobose to ellipsoid, occasionally oval, 31-36(-40) × 30-40 μm [Q=0.85-1.23(-1.33)], longitudinally or obliquely septate, 4-spored; sterigmata up to 180 μm in length, 5-8 μm ø, apically swollen up to 12-14 μm ø; thin-walled, smooth. Spores ±globose, 17-23(-25) × 18-24 μm [Q=0.94-1.04], smooth, hyaline, germinating by budding or repetition. Conidia absent. Vesicles absent. Swollen cells absent. Hyphidia smooth, thin-walled, mostly 2-4 μm ø, branched, often anastomosing; new hyphae branching from clamps or below septate; hyphidia and basidia derived from the same generative hyphae. Hyphae hyphae clamped, 2-4(-6) μm, thin- or very slightly thick-walled, gelatinous; anastomoses abundant; hymenium amphigenous. Gemmae absent. Haustoria rare, subglobose, clamped, haustorial hyphae short and rarely branched.
 
 
 
 
 
 Specimens:

Herbarium specimen CCJ 1142. Taiwan, Taichung county, Tasheshan Forest, ca. 2000-2300 m, leg. C.-J. Chen, 12. VII. 1995, on decayed branches of Fagaceae.

 
 
 
 Habitat: null
 
 
 
 Distribution:

null

 
 
 
 References:

Chen, CJ. 1998.

   
   
   
 Provided:

C. J. Chen

 
 
 Note: Tremella cerebriformis is morphologically similar to T. coalescens and T. brasiliensis. However, the basidia and the basidiospores of T. coalescens are smaller, and the hyphidia are conspicuous with thickened walls. In T. brasiliensis, the basidia are frequently thick-walled and hyphidia are not conspicuous. Furthermore, many vesicles exist in the hymenium of T. brasiliensis but lacking in that of T. cerebriform. In addition, Tremella grandibasidia Olive has large basidia and basidiospore. It is perhaps close to T. cerebriformis but distinguishable in the basidia and basidiospore measurements.