Phylum:Anamorphic fungi >> Class: Anamorphic fungi >>  Order: Anamorphic fungi 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Helicoma olivaceum
 
   
   
 Author:

Helicoma olivaceum Karsten Linder. 1929. Ann. Mo. Bot. Gard. 16:302. 1929..

   
 
 
 
 
 Description: Colonies diameter on Oat Meal Agar 50 mm in 47 days at 25°C, effuse, minute granulate, light brown to brownish orange; reverse pale brown to dark brown. Mycelium partly immersed, partly superficial, composed of branched, septate, smooth, pale brown to yellowish brown, 1.4-3.3 μm wide hyphae. Conidiophores micronematous to macronematous, mononematous, branched, rarely simple, septate, smooth, subhyaline to yellowish brown 13.8-137.5 X 3.2-5.0 μm. Conidiogenous cells monoblastic, occasionally sympodial, terminal, lateral or intercalary. Conidia helicospore, 7-15-septate, occasionally angular septa formed, smooth, pale brown to yellowish brown, 12.5-19.0 μm dimeter, conidial filment rounded at the end, truncate at the base, often constricted at the septate, 3.8-6.7 μm wide.
 
 
 
 
 
 Specimens:

Taiwan, National Taiwan University compus, Taipei City, on rotten leaf, 17 Nov. 1988. TNTU 1001. leg. J.L. Chen.

 
 
 
 Habitat: on rotten leaf
 
 
 
 Distribution:

Taiwan, Mexico, Australia, U.S.A..

 
 
 
 References:

Goos, 1986.

   
   
   
 Provided:

J. L. Chen and S. S. Tzean

 
 
 Note: This species is recognized by its branched, septate, brown conidiophores, monoblastic conidiogenous cells and lelicospore, septate, yellowish brown conidia with truncate basal cell.