Day 78 of posting cool mushrooms:

The King Stropharia mushroom (Stropharia rugosoannulata) can grow up to 8 inches (20cm) high and 12 inches (30 cm) across. The second part of its name means "wrinkle-ringed."

It is commonly cultivated because it's easy to grow and edible!

(Source: https://bit.ly/3DgCPhA)