Luminous Mycoglow, named from Latin 'lumen' (light) and 'myco' (fungus), is a bioluminescent species in the Aetherium Arborescens cluster. It has small fruiting bodies (0-10 cm tall) with convex to slightly umbonate, translucent caps featuring iridescent orange-yellow speckles along edges. The delicate, closely spaced gills emit green-blue bioluminescence (470-530nm). Its smooth, semi-translucent stipe supports a static fruiting body showing slow cap swaying, likely aiding spore dispersal. Bioluminescence arises from a luciferin-luciferase system, attracting nocturnal vectors. Found in temperate forest understories (5-25°C), it grows on decomposing wood and leaf litter. Belonging to order Agaricales, family Mycoglowaceae, genus Aetherium, it decomposes organic matter, facilitating nutrient cycling. Spores disperse via basidiospores from gills, supporting forest biodiversity and health through an extensive mycelial decomposer network.