Noun genus phytophthora has 1 sense
  1. Phytophthora, genus Phytophthora - destructive parasitic fungi causing brown rot in plants
    --1 is a kind of fungus genus
    --1 is a member of Pythiaceae, family Pythiaceae
    --1 has members: Phytophthora citrophthora; Phytophthora infestans
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