plural noun
Ple·​o·​spo·​ra·​ce·​ae | \ ˌplēəspəˈrāsēˌē\

Definition of Pleosporaceae

: a family of ascomycetous fungi (order Sphaeriales) that is sometimes combined with Mycosphaerellaceae and that includes parasitic fungi which cause stem or leaf spot diseases or rots of economic plants

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History and Etymology for Pleosporaceae

New Latin, from Pleospora + -aceae

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to spread over or through

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