Phylum：Anamorphic fungi　>>　Class： Anamorphic fungi　>>　 Order： Anamorphic fungi 
   
 
　BCRC Number： 32633     32637      
   
　Scientific Name： Penicillium aurantiogriseum
 
   
   
　Author：

Penicillium aurantiogriseum Dierckx, Annls Soc. Scient. Brux. 25: 88. 1901.

Subgenus: Penicillium
   
 
 
 
 
　Description： CYA, 25°C, 7 days: colony diameters 27-35 mm, center raised, floccose, subcenter sulcate, dense, velutinous, margin entire, narrow; mycelium white; conidiogenesis abundant, greyish green (25D-E4-6); exudate clear; soluble pigment very faint, orange white to pale orange (5B2-3); reverse orange grey to greyish orange (5B2-5). MEA, 25°C, 7 days: colony diameters 33-35 mm, velutinous, margin, thin, low, entire; my-celium white to orange white (5A2); conidiogenesis abundant, greyish green (25D4-5); exudate and soluble pigment absent; reverse greyish yellow (2C4-5), pastel yellow to yellow (3-4A3-6) or yellowish white (1-2A2). G25N, 25°C, 7 days: colony diameters 14-17 mm, center somewhat raised, sulcate, velutinous, margin narrow, entire; mycelium white; conidiogenesis moderate to abundant, greyish green (25C3-4); exudate absent; soluble pigment very faint, orange white (5A2); reverse orange white to pale orange (5A2-3). CYA, 5°C, 7 days: germination with limited growth. CYA, 37°C, 7 days: no germination. Conidiophores and conidia: conidiophores on MEA borne mostly from aerial mycelium; stipes septate, 24-260 × 3.2-4.0 μm, smooth to finely roughened, more or less thick walled; penicilli mostly terverticillate, sometimes biverticillate, occasionally monoverticillate or quaterverticillate; rami finely roughened, in group of 2, 8.8-28.0 × 2.4-3.6 μm; ramuli finely roughened, 11.6-22.2 × 3.0-3.3 μm; metulae in verticils of 2-7, finely roughened, 9.4-12.7 × 2.4-3.2 μm; phialides in verticils of 2-5, ampulliform, occasionally acerose, smooth to finely roughened, 8.8-12 × 2.4-3.2 μm, collula gradually tapering; conidia predominantly ellipsoi-dal, sometimes subspheroidal, 3.6-4.0 × 2.4-4.0 μm, smooth, thin walled, borne in defined, open column.
 
 
 
 
 
　Specimens：

Taiwan, Taichung, common species, from rhizosphere of garlic, 1 Aug 1990.
 
 
 
　Habitat： from rhizosphere of garlic.
 
 
 
　Distribution：

Taiwan, Japan, Belgium.
 
 
 
　References：

Tzean, SS et al. 1994.
   
   
   
　Provided：

S. S. Tzean and L. S. Hsieh
 
 
　Note： on creatin sucrose neutral agar, P. aurantiogriseum (CCRC 32637) exudate clear, greyish green, reverse reddish brown (8C-D6-7), melon yellow, light orange (5A6-7), in contrast P. commune (CCRC 32633) exudate lacking, reverse deep violet (16D-E7-8).