Question

do all fungi have hyphae

Answer 1

A hypha (plural hyphae, from Greek ὑφή, huphḗ, “web”) is a long, branching filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.

Answer 2

 In most fungi, hyphae are the main mode of vegetative growth, so we can say that not at all but most of fungi have hyphae.

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