Abstract
ORTY-NINE species and two varieties belonging to 22 genera were recovered on dextrose and 1% crude oil Czapek's agar media from 48 soil samples polluted with mazot and solar. The hydrocarbons polluted soils were collected from three governorates in Upper Egypt; namely El-Minya, Assiut and Sohag (8 samples from each governorate for each hydrocarbon). The most common genus was Aspergillus which was isolated from the three governorates and from both hydrocarbon polluted soils, the most common species was Aspergillus fumigatus isolated from mazot polluted soils, while Aspergillus flavus, Aspergillus fumigatus and Aspergillus terreus were the most common species isolated from solar polluted soils. Forty fungal isolates belonging to the 22 genera were tested for their ability to utilize crude oil in Czapek's medium at 28 ±1oC. Out of these fungi, 32 isolates were able to grow forming visual growth and dry mass determined.
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