fungus

US /ˈfʌŋ.ɡəs/
UK /ˈfʌŋ.ɡəs/
"fungus" picture
1.

grzyb

any of a group of spore-producing organisms feeding on organic matter, including molds, yeast, mushrooms, and toadstools

:
Mushrooms are a type of fungus.
Grzyby to rodzaj grzyba.
The damp conditions encouraged the growth of fungus on the walls.
Wilgotne warunki sprzyjały rozwojowi grzyba na ścianach.