Species (133)
- Delicatula crispata (Kühner) Kühner & Romagn. 1953
- Mycena crispata Kühner 1938
- Delicatula crispula (Quél.) Kühner & Romagn. 1900
- Helotium cucullatum (Pers. : Fr.) Redhead 1982
- Marasmiellus gypseus (Fr.) Singer 1951
- Trogia gypsea (Fr.) Corner 1966
- Mycena gypsea (Fr.) Quél. 1873
- Delicatula delectabilis (Peck) Kühner & Romagn. 1953
- Marasmiellus delectabilis (Peck) Singer 1951
- Omphalia nitrosa Kauffman 1930
- Prunulus delectabilis (Peck) Murrill 1916
- Helotium epichloë (Kühner) Redhead 1982
- Mycena epichloë Kühner 1938
- Helotium gypsellum (Kühner) Redhead 1982
- Mycena gypsella Kühner 1972
- Delicatula ignobilis (Joss.) Kühner & Romagn. 1953
- Clitocybe ignobilis (Joss.) Singer 1943
- Mycena ignobilis (Joss.) Kühner 1992
- Omphalina ignobilis Joss. 1938
- Helotium delicatellum (Peck) Redhead 1982
- Helotium persimile Malençon & Redhead 1982
- Mycena pseudocrispata Valla 1972
- Helotium pseudolacteum (Kühner) Redhead 1982
- Helotium pseudogibbum (Valla) Redhead 1982
- Mycena pseudolactea Kühner 1938
- Mycena rickenii A.H. Sm. 1947
- Mycena pseudogracilis Kühner & Maire 1938
- Helotium subimmaculatum (Murrill) Redhead 1982
- Helotium substellatum (Kühner) Redhead 1982
- Delicatula subtilis Velen. 1947
- Mycena tortuosa P.D. Orton 1960
- Hydropus floccipes (Fr.) Singer 1962
- Rickenella fibula (Bull. : Fr.) Raithelh. 1973