Brown mould that grows on banana trees

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I saw a bunch of mushrooms growing on the trunk of a banana tree that had been harvested or had been cut off the banana trunk which was only half this was starting to rot the mushrooms began to grow with a brown colour has a round hood with a bottom that looks like gills where the spores of this mushroom are stored very fragile and easily broken if it comes into contact or is exposed to strong winds.

This type of fungus is very easy to find considering that there are so many banana trees, every time a banana tree has been cut down to harvest the fruit, this fungus is very easy to grow because banana trees store a lot of water in their trunks. I don't know what kind of fungus this is because it's hard for me to find out.