Mycena subcyanocephala is a species of fungi,[1] which has its habitat in the tropical parts of Taiwan. It has been spotted eight times. Mycena subcyanocephala is the smallest known fungus in the world, with buttons about 1 mm tall. The species belongs to the Mycenaceae family, with Mycena interrupta being its closest known relative.
Mycena subcyanocephala is a lignicolous species of section Spinosae, having tomentulose fruitbodies, a white cap with pale blue tone, a thin-walled pileiocystidia and caulocystidia, smooth round-headed cheilocystidia, inamyloid basidiospores, and 2-spored basidia.[2]