Well, pearl mushrooms and shiitake mushrooms are the same kind of mushrooms, they are just called different names.

If you want to know more about pearl mushrooms, just baidu "食养家珍珠菇", there will be a lot of more detailed information than wikipedia and related recipes,

Go and take a look,

Hope to find what you need to know,

These are the most common mushrooms in the world, but they are not the only ones that have been used for a long time.