Known as imperfect fungi, lack a reproductive phase, and an example is penicillium notatum: ChytridiomycotaAscomycotaBasidiomycotaZygomycotaDeuteromycota

Deuteromycota are known as the imperfect fungi because their sexual reproductive phase has not been observed or is unknown. Penicillium notatum is a classic example, so the correct choice is Deuteromycota.

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