About Armillaria cepistipes Velen.
Armillaria cepistipes Velen. is a species of mushroom in the family Physalacriaceae. This common wood-rotting basidiomycete fungus occurs in most forests across Central Europe. It is a weakly plant pathogenic species, and it typically grows at the base of deciduous trees that have already been stressed by another pathogen. The mycelium of this fungus is bioluminescent.