Phylum：Anamorphic fungi　>>　Class： Anamorphic fungi　>>　 Order： Anamorphic fungi 
   
 
　BCRC Number： 32240      
   
　Scientific Name： Aspergillus ostianus
 
   
   
　Author：

Aspergillus ostianus Wehmer, Bot. Centbl. 80: 449-461. 1899.
   
 
 
 
 
　Description： Colony diameters on Czapek’s Agar 3.0 to 3.5 cm in 10 days at 25°C; conidial heads globose or splitting into well defined columns, light ochraceus-buff to warm buff or cream-buff to honey yellow (R., Plate XV, XXX); exudate uncolored to light antique brown or light sudan brown (R., Plate III); mycelium white; reverse uncolored to pale honey yellow or pale isabella color; stipes 300-680 × 5.0-13.1 μm, thick-walled, conspicuously roughened, colorless to light golden yellow; vesicles 13.0-43.6 μm wide, globose to subspherical or somewhat elongate. Aspergilla biseriate, metulae covering the entire surface of the vesicle, 6.4-32.5 × 2.5-8.7 μm; phialides 5.6-15.1 × 2.7-4.0 μm. Conidia very variable in shape, mostly subspherical but also ellipsoidal, pyriform or spherical 3.4-7.2 × 3.0-6.8 μm, with walls smooth to roughened. Colony diameters on Malt Extract Agar 5.0-5.5 cm in 10 days at 25°C; conidial heads spherical or splitting into columns, warm buff, antimony yellow to ochraceous-buff (R., Plate XV); reverse light ochraceous-buff to ochraceous-buff (R., Plate XV).
 
 
 
 
 
　Specimens：

Taiwan, Taipei Pref., from stored paddy rice, Apr 1987 (CCRC 32240); soil, Keelung City., 29 Dec 1989.
 
 
 
　Habitat： from stored paddy rice.
 
 
 
　Distribution：

Taiwan, Belgium, India.
 
 
 
　References：

Tzean, SS et al. 1990.
   
   
   
　Provided：

S. S. Tzean and J. L. Chen
 
 
　Note： Conidial heads on Czapek’s Agar light ochraceous-buff, warm buff or cream-buff to honey yellow; stipes conspicuously roughened, colorless to light golden yellow; vesicles globose to subspherical; aspergilla biseriate; conidia subspherical to globose, smooth to rough; sclerotia up to 1000 μm.