Luminogloea Noctilux, named from Latin 'lumen' (light) and 'lux' (glow), is a rare bioluminescent fungus emitting blue-green light (420–490 nm). It features clustered, gilled fruiting bodies with convex to irregularly lobed caps 10–25 cm tall, purple with golden specks, and well-defined, luminous lamellae. Semi-translucent, sturdy stems bear granular structures likely aiding light diffusion. Bioluminescence originates from a luciferin-luciferase system in gills and stipe, attracting nocturnal spore-dispersing insects. Found in temperate forest understories on decomposing hardwoods at 10–20°C, it belongs to Noctiluca Grove cluster, order Agaricales, family Noctilucaceae. Its dense mycelium saprotrophically decomposes lignocellulose, playing a key role in nutrient cycling.