Luminaria Mysticora, from Latin 'lumen' (light) and 'mystica' (mysterious), is a bioluminescent fungus in the Aetherium Arborescens cluster, family Physalacriaceae, order Agaricales. It features erect, clustered fruiting bodies 10–30 cm tall with convex orange-red caps bearing bright yellow luminescent spots near the margin. Adnexed, tightly spaced lamellae emit soft orange light, highlighting their blade-like form. The slender, semi-translucent stipe shows fine white speckles. Bioluminescence (470–530 nm) from a luciferin-luciferase reaction occurs mainly in cap and gill tissues, aiding nocturnal insect spore dispersal. Native to tropical cloud forests (10–25°C), it decomposes woody substrates as an important ligninolytic saprotroph. Lightweight fruiting bodies (5–25 g) enhance spore release, while a subterranean mycelial mat supports nutrient cycling and forest regeneration in shaded, humid habitats.