Certain mushrooms are a type of fungi that can be found in many different environments. Two of the most popular types of certain mushrooms are morels and ceps. Morels are a type of mushroom that have a honeycomb-like cap and a hollow stem. They are usually found in the springtime and have a nutty, earthy flavor. Ceps, also known as porcini mushrooms, are a type of mushroom with a large, round cap and a thick, meaty stem. They are usually found in the summer and have a strong, earthy flavor.