Monday, December 24, 2012

Aspergillus versicolor

Another member of the Aspergillus genera often found on damp building materials is Aspergillus versicolor, It is very closely related to Aspergillus sydowii. The colony color is light green with a few other pale colors mixed in compared to Aspergillus sydowii's deep blue green.

Both Aspergillus versicolor and Aspergillus sydowii have small spathulate heads. They are shaped like like a tiny Dairy Queen malt spoon. They will also produce conidia from structures that resemble Penicillium spp.


The spores do not have distinguishing characteristics and are identified as Asp/Pen like on an Air-O-Cell cassette sample.


Aspergillus versicolor line drawing- N. Carlson
Aspergillus versicolor colonies - N. Carlson
Aspergillus versiolor - N. Carlson

 

 

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