Mycelius Luminara, named from Latin 'mycelium' and 'luminara,' is a bioluminescent fungus in the Purpuracensis Spectrapinkus cluster (family Omphalotaceae, genus Mycelius, order Agaricales). It features a delicate, semi-translucent cap up to 15 cm tall, with pinkish-violet tones and orange-yellow speckles, a smooth moist surface, and crowded lamellae emitting a 470-530 nm cool blue-green glow. The slender stipe shows translucent luminescent spots, supporting a convex to campanulate fruiting body. Bioluminescence arises from luciferin-luciferase enzymes in gills and stipe epidermis. It inhabits tropical rainforest canopies, colonizing decomposing wood and leaf litter at 10–20°C. Its lifecycle involves wind-dispersed spores via lamellae, contributing to nutrient cycling, decomposition, and ecosystem balance through its extensive saprotrophic mycelial network.