Aspergillus fumigatus

Aw 0.82; Optimum> 0.97. Conidia dimensions: 2-3.5 microns. Considered a human pathogen, this organism causes both allergic aspergillosis and invasive aspergillosis (invasive aspergillosis usually affects individuals who are immune compromised). It is commonly found outdoors on cereal grains, in cool to warm soils, and in compost piles (even with temperatures exceeding 40 degrees C).