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Toxic Plants Garden

  • Outdoor garden
Poison sumac (Toxicodendron vernix). All parts of the plant contain a resin called urushiol that causes skin and mucous membrane irritation to humans. Poison sumac is far more virulent than poison ivy.
Photo: Jardin botanique de Montréal (Robert Mineau)
Toxicodendron vernix
  • Toxicodendron vernix
  • Actaea rubra
  • Conium maculatum
  • Pastinaca sativa
  • Poison ivy
  • Giant hogweed

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