Noun peronosporaceae has 1 sense
  1. Peronosporaceae, family Peronosporaceae - parasitic fungi: downy mildews
    --1 is a kind of fungus family
    --1 is a member of Peronosporales, order Peronosporales
    --1 has members: Peronospora, genus Peronospora; downy mildew, false mildew
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