Morchella Crassipes, also known as the thimble morel, is a type of edible mushroom that belongs to the Ascomycota division. This fruiting body has a distinct conical shape with a ribbed crown and is found in hardwood forests across North America. There are several synonyms used to describe Morchella Crassipes, such as the wrinkled thimble cap, the ribbed morel, and the ribbed stem morel. Other common names include the stump morel, the redwood morel, and the ash morel. These synonyms are used interchangeably to describe the same species of mushroom, which is highly prized by chefs and foragers alike for its nutty and earthy flavor.