Aspergillus fumigatus on culture and microscopy The most typically isolated hyaline mold: Aspergillus fumigatus. Dark blue-green suede colony growth (usually) and thick club-like heads with uniseriate phialides, A. fumigatus can also grow at 50C! Rich Davis, PhD, D(ABMM), MLS @richdavisphd #Aspergillus #fumigatus #clinical #microscopy #microbiology #culture