noun
dry rot fungus; Serpula lacrymans
A wood-destroying fungus known for causing brown rot in buildings; the Japanese name literally means 'tear mushroom'.
ナミダタケは木材を腐らせる厄介な菌です。
Serpula lacrymans is a troublesome fungus that rots wood.
The name ナミダタケ (涙茸) literally means 'tear mushroom', likely from the droplet-like appearance of the fungus or its destructive weeping effect on wood.