Fluoromyces Noctilumina, from Latin 'fluor' (light) and 'noctilumina' (night shining), is a bioluminescent fungus in the Purpuracensis Spectrapinkus cluster. It has large, funnel-shaped fruiting bodies (5-25 cm tall) with translucent, semi-gelatinous caps featuring luminescent ridges and undulating margins. Dense, radiating gills and a robust, pustulate stipe support spore dispersal. Emitting blue-green light (420-490 nm) along cap edges and gills via a luciferin-luciferase system, it inhabits tropical rainforest canopies at 0-10°C on decomposing wood. As a saprotrophic decomposer in the order Agaricales, genus Fluoromyces, it enhances spore dispersal through canopy position and cap movement. Its extensive mycelium aids nutrient recycling and ecosystem carbon turnover, exemplifying complex adaptations to high-canopy niches and bioluminescent signaling.