Dry rot
（重定向自Dryrot）
![Wooden beam with significant fungal growth](/Images/godic/202501/10/Echter_Hausschwamm_5516a2024.jpg")
![Wood decay caused by the brown rot fungus Serpula lacrymans (true dry rot)](/Images/godic/202501/10/Braunfaeule_Holz_FI200702082024.jpg")
![Damaged wall with fungal growth](/Images/godic/202501/10/Serpula_lacrimans2024.jpg")
Dry rot is wood decay caused by certain species of fungi that digest parts of the wood which give the wood strength and stiffness. It was previously used to describe any decay of cured wood in ships and buildings by a fungus which resulted in a darkly colored deteriorated and cracked condition.