Agaricus epibryus Fr., 1821 Crepidotus hypnophilus (Pers.)

Romagn., 1937 Derminus herbarum Henn., 1898 Phialocybe epibrya (Fr.)

Zmitr., 2004[2] Crepidotus epibryus, is a species of saprophytic fungi in the family Crepidotaceae.

It is commonly known as grass oysterling in the United Kingdom and is seen there in late summer and autumn.

[3] Common to Britain and Ireland, also occurs in Europe and in North America.