Phylum:Anamorphic fungi >> Class: Anamorphic fungi >>  Order: Anamorphic fungi 
 BCRC Number 32126      
 Scientific Name: Aspergillus niger var. niger

Aspergillus niger van Tieghem var. niger, Ann. Sci nut Bot ser. 5, 8: 240. 1867.

 Description: Colony diameters on Czapek’s Agar 4.8-5.2 cm in 14 days at 25°C, floccose, granular, often furrowed; conidial heads radiate or splitting into columns, dark mummy brown to near fuscous (R., Plate XV, XLVI); mycelium white; exudate clear; reverse ivory yellow to marguerite yellow (R., Plate XXX); stipes 220-2460 × 4.4-24.0 μm, uncolored to pale yellowish brown, smooth; vesicles globose, 16.0-80.0 μm wide. Aspergilla biseriate; metulae covering 3/5 to the whole surface of the vesicle, rarely septate, 5.6-58.0 × 3.8-13.1 μm; phialides 3.6-14.3 × 2.4-5.2 μm. Conidia subglobose to globose 3.2-4.8 μm, roughened or with irregular ridges or bars. Colony diameters on Malt Extract Agar 6.0-6.5 cm in 14 days at 25°C, granular; conidial heads radiate or splitting into columns, brownish olive to clove brown (R., Plate XXX, XL); mycelium white, submerged; reverse cream color (R., Plate XVI).

Taiwan, Taipei City, most common species from stored tomato seeds, 4 Nov 1986; stored sunflower seeds, Hwalien City, 13 Feb 1987 (CCRC 32126); soil, Taoyuan Pref., 4 Apr 1988.

 Habitat: from stored tomato seeds; stored sunflower seeds; soil.

Taiwan, Kenya, USA.


Tzean, SS et al. 1990.


S. S. Tzean and J. L. Chen

 Note: Conidial heads on Czapek’s Agar dark brown to black; vesicles globose; conidia subglobose to globose, rough to irregular ridges or bars. On Malt Extract Agar conidial heads brownish olive to clove brown.