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  1. Poison Ivy, Oak, and Sumac 
    https://medlineplus.gov/poisonivyoakandsumac.html
    ... I Touch a Plant? (American Academy of Dermatology) Poisonous Plants (National Institute for Occupational Safety and Health) Diagnosis and Tests Rash Evaluation (National Library of Medicine) ...
  2. Lily of the valley poisoning 
    https://medlineplus.gov/ency/article/002882.htm
    ... and leaves of the lily of the valley plant are poisonous.
  3. Dieffenbachia poisoning 
    https://medlineplus.gov/ency/article/002866.htm
    Poisonous ingredients include: Oxalic acid Asparagine, an amino acid found in this plant
  4. Mistletoe poisoning 
    https://medlineplus.gov/ency/article/002883.htm
    The poisonous ingredient is found in all parts of the plant, but especially in the leaves.
  5. Jimsonweed poisoning 
    https://medlineplus.gov/ency/article/002881.htm
    ... alkaloids Note: This list may not include all poisonous ingredients.
  6. Foxglove poisoning 
    https://medlineplus.gov/ency/article/002878.htm
    The poisonous substances are found in: Flowers, leaves, stems, and seeds of the foxglove plant Heart medicine (digitalis glycoside)
  7. Caladium plant poisoning 
    https://medlineplus.gov/ency/article/002863.htm
    ... plant Note: All parts of the plants are poisonous if large amounts are eaten.
  8. Jack-in-the-pulpit poisoning 
    https://medlineplus.gov/ency/article/002870.htm
    The poisonous ingredient is: Calcium oxalate
  9. Rhubarb leaves poisoning 
    https://medlineplus.gov/ency/article/002876.htm
    Poisonous ingredients include: Anthraquinone glycosides (possible) Oxalic acid
  10. Yew poisoning 
    https://medlineplus.gov/ency/article/002877.htm
    Poisonous ingredients include: Taxine Taxol
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