Twenty four isolates species belonging to eleven fungal genera were is
olated from soil samples of ten localities from the industrial Yanbu c
ity, Saudi Arabia. Aspergilli were predominant and represented by six
species. Numbers of Aspergillus flavus and A. niger colonies were pred
ominant as compared to the other detected Aspergillus spp. Alternaria
and Penicillium were represented by 3 species each. While, two species
of Curvularia, Fusarium, Mucor and Ulocladium were isolated. Cladospo
rium, Drechslera, Neurospora and Rhizopus were represented by one spec
ies each. Soil type is sandy, alkaline and differs in the organic matt
er content, total soluble salts, moisture content and total metal cont
ent.