Mycena irritans E.Horak (1978) Roridomyces irritans is a species of fungus in the genus Roridomyces, family Mycenaceae.

Originally described from New Caledonia as Mycena irritans by Egon Horak in 1978,[2] the species was transferred to Roridomyces in 1994.

[3] The fruit bodies are bioluminescent.

[4]