Phylum:Anamorphic fungi >> Class: Anamorphic fungi >>  Order: Anamorphic fungi 
 BCRC Number 32248      
 Scientific Name: Aspergillus caespitosus

Aspergillus caespitosus Raper & Thom, Mycologia 36: 563. 1944.

 Description: Colony diameters on Czapek’s Agar 2.0-2.5 cm in 14 days 25°C, low, plane, fimbriate at the margins; conidial heads radiate to loosely columnar, buff-yellow, apricot yellow to Kron-berg’s green, jade green, or cedar green to hellebore green (R., Plate IV, XXXXI, VI, XVII); mycelium hyaline to red-brown; reverse colorless to light reddish brown; stipes 24-160 × 2.7-7.1 μm, brown, smooth; vesicles clavate to hemispherical, 4.8-15.0 μm wide. Aspergilla biseriate, metulae covering 1/3 to 3/5 of the vesicle, 4.4-9.5 × 2.5-6.7 μm; phialides 4.8-8.7 × 2.1-3.7 μm. Conidia globose to subglobose, finely rough to rough, 2.4-4.0 μm in diameter. Colony diameters on Malt Extract Agar 4.0-4.5 cm in 14 days at 25°C, low, plane, weakly zonate; conidial heads definitely columnar to loosely columnar, orange-buff, chromium green to deep dull yellow-green, or cedar green (R., Plate III, XXXII, VI); mycelium hya-line to yellow brown; reverse light ochraceous-buff to dull ochraceous-buff or light tawny to dull deep green (R., Plate XV).

Taiwan, Hwalien City, common species from moldy bread, 8 Dec 1986 (CCRC 32248); soil, Taichung Pref., 10 Nov 1989; soil, Chiayi Pref., 19 Dec 1989.

 Habitat: from moldy bread; soil.

Taiwan, Egypt, USA.


Tzean, SS et al. 1990.


S. S. Tzean and J. L. Chen

 Note: On Czapek’s Agar growing slowly, conidial heads buff-yellow to hellebore green; stipes smooth, brown; aspergilla biseriate; conidia finely rough to rough. On Malt Extract Agar growth much faster, conidial heads orange-buff to cedar green.