C. carneogrisea C. gomphidioides C. malenconii {nom.

Cleistocybe is a genus of fungi in the family Biannulariaceae.

[1] Basidiocarps (fruit bodies) are agaricoid, similar to those of Clitocybe, but with ephemeral traces of a partial veil and decurrent lamellae that are often greyish.

The genus is separated on DNA characteristics as well as morphology.

[2] Species are known from North America, Europe, North Africa, and Tibet.