Final answer:
The mismatched pair is 'anamorphs — lack spores' as anamorphs, also known as imperfect fungi, actually reproduce asexually, typically through the production of spores.
Step-by-step explanation:
The pair that is mismatched within the provided options would be 'anamorphs — lack spores'. Anamorphs, also referred to as 'imperfect fungi', are types of fungi that reproduce asexually, typically by generating spores. This is true for the other groups as well: Basidiomycota are known for producing basidiospores; Zygomycota generate sporangiospores; microsporidia indeed lack mitochondria, but they're still capable of generating spores; Ascomycota produce spores known as conidiospores. Therefore, the stated notion that anamorphs lack spores is incorrect based on the information provided.
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