What mushrooms are used in Zibo mushroom soup?

Zibo mushroom soup is made of brown mushrooms, with uniform color, thick and elastic meat and good and fresh taste.

Mushroom is the cap and stalk of Agaricus belonging to Basidiomycetes. Usually with Pleurotus ostreatus, Volvariella volvacea and Lentinus edodes, they are also called "four major edible fungi". Mushrooms are 2-4 cm in diameter and have not yet opened their umbrellas. The stalk is short and thick, about 2-4 cm long, and the meat is thick and crisp when the transverse diameter is 1.5-2 cm.