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What are the different types of fungi, and what are they used for?
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There are over 1.5 million species of fungi. They can be divided into two main groups - Ascomycota and Basidiomycota. The Ascomycota group contains most of the familiar mushrooms, while the Basidiomycota includes yeast. Both groups are important in nature as decomposers, producers of antibiotics and other useful compounds, and as symbionts with plants and animals.