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These terms define your current search. Click the × to remove a term. Taxa - Plantae: Magnoliophyta > Magnoliopsida > Sapindales > Burseraceae × 69 items, grouped by Taxa - Viruses and Viroids (view ungrouped items) negative sense, single-stranded RNA viruses (1)    (Click to View) Antiviral activity of crude extracts from Commiphora swynnertonii against Newcastle disease virus in ovo Tropical plant biology