Fungi grow in terrestrial as well as in aquatic environment. In other words, fungi are everywhere.
Fungi is nuisance as regarded by many. They can destroy crops, bring diseases like ringworm, spoil food and clothes. But fungi have proven their worth to humans, even to some plants and insects. The antibiotic penicillin, which stops bacterial growth, comes from molds of the genus Penicillium. Fungi is also used in making bread, beer, wine and vitamins.
Fungi are an everyday part of our lives. They can make life hard, but they can also make it easy.