Noun lactarius has 1 sense
  1. Lactarius, genus Lactarius - large genus of agarics that have white spore and contain a white or milky juice when cut or broken; includes both edible and poisonous species
    --1 is a kind of fungus genus
    --1 is a member of Agaricaceae, family Agaricaceae
    --1 has members: milkcap, Lactarius delicioso
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