noun
wood-decay fungus; xylophagous fungus
Technical term in mycology and forestry for fungi that decompose wood.
木材腐朽菌は森林生態系において重要な分解者である。
Wood-decay fungi are important decomposers in forest ecosystems.
Compound of 木材 (mokuzai, 'wood') + 腐朽 (fukyū, 'decay, rot') + 菌 (kin, 'fungus').