How many kinds of mushrooms are there in the world? Please give an example, preferably. Write as much as you can.
There are about 1200 kinds of wild mushrooms in the world, but only 70 or 80 kinds can be cultivated artificially at present, such as. Pleurotus ostreatus, Pleurotus ostreatus, Volvariella volvacea, Lentinus edodes, Hericium erinaceus, Flammulina velutipes, Agaricus bisporus, Auricularia auricula, Tremella, Auricularia auricula, Agaricus blazei, Grifola frondosa, Pleurotus eryngii, Pleurotus nebrodensis, Agrocybe aegerita, hypsizygus marmoreus, Dictyophora, Ganoderma lucidum, etc.