Djondjon
Djondjon (also spelled djon djon or djon-djon) is the common name for a type of edible black mushroom often found in northern Haiti and used as a delicacy in some Haitian dishes, such as diri djondjon. The name djondjon does not refer to a single species of mushroom, but is rather a colloquial name for a group of several edible, taxonomically distinct species. However, some researchers suggest that the most common species is Psathyrella cf. hymenocephala. Species from Cantharellus and Inocybe have also been identified in dried mixtures sold in Haitian markets.
The mushrooms can be found on the marketplace in some western stores, though reportedly they are sold at high prices — Gene Yetter of the New Jersey Mycological Association and New York Mycological Society reported that he found them being sold dried in New York for around $1 USD for a quarter of an ounce.