mycelium of putrefactive mold fungi covered organic substrate in form of carrots. spore-bearing heads are ready for

fungi spore mycelium conquering territories putrefactive survival mold covered organic substrate carrots sporebearing heads spread surrounding space form medical texture nature technology fungus microbiology macro mould closeup mildew science biology scientific micro natural penicillium fungal life penicillin infection agar colony microscope hyphae rotten research moldy messy culture bacterium microbial ready