Genus Tremella is a type of fungi that is known for its gelatinous texture. There are several synonyms that have been used to refer to the species of Tremella. These include witches' butter, amber jelly fungus, golden jelly fungus, and tremblette. Witches' butter is a common name that is derived from the jelly-like texture of the fungus. Amber jelly fungus and golden jelly fungus refer to the orange and yellow hues that the fungus can have. Tremblette is a French name that is used to refer to the small size of the mushroom. All of these names can be used interchangeably with Genus Tremella and describe the unique characteristics of this type of fungi.