Luminaceae Glaciaflora is a bioluminescent Arctic fungus named for its light emission and icy habitat. Fruiting bodies reach 15cm, with caps of elongated, translucent petal-like structures showing a color gradient from icy white to deep violet and blue centrally. The short stipe merges with the cap, bearing subtle orange bioluminescent spots. Irregular lobate gill-like formations support a phototropic growth pattern toward ambient light for optimized spore dispersal. Bioluminescence arises from a luciferin-luciferase system emitting 470-530 nm blue-green light with pulsing orange points, likely spore-attractant. Thriving at 5-20°C in Arctic decaying wood, it plays a key decomposer role. Taxonomically within Luminispectra Chromagloria, it shares traits with 10 species. Spores disperse by wind; mycelia permeate frozen soils, enhancing biodiversity. Classified endangered, it highlights Arctic ecological fragility amid climate change.