Types of cheese marketed under the same name are made from milk of different animal—feta cheeses, for example, are made from sheep's milk in Greece and from cow's milk elsewhere. Double cream cheeses are soft cheeses of cows' milk enriched with cream so that their fat in dry matter (FDM or FiDM) content is 60–75%; triple cream cheeses are enriched to at least 75%. There are three main categories of cheese in which the presence of mold is an important feature: soft-ripened cheeses, washed-rind cheeses and blue cheeses. Soft-ripened cheeses begin firm and rather chalky in texture, but are aged from the exterior
The Moon is made of green cheese this morphology is grouped as "The Wolf Dives into the Water for Reflected Cheese" (Type 34) of the Aarne–Thompson classification of folktales, where the Moon's reflection is mistaken for cheese, in the section devoted to tales of The Clever Fox. It can also be grouped as "The Moon in the Well" (Type 1335A), in the section devoted to Stories about a Fool, referring to stories where the simpleton believes the Moon itself is a tangible object in the water. "The Moon is made of green cheese" was one of the most popular proverbs in 16th and 17th-century English literature, and