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"Poisonous" does not mean deadly. Some manifestations of toxicity are subtle. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard.

Frequently (and not so frequently) Asked Questions

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BRIEF: Is poison ivy only poisonous to humans and primates?

I have heard it said that "only humans" and "only primates" are allergic to the poison ivy toxin. Is there anything to this? Are there documented cases of other animals reacting to this toxin?


I think certain lines of mice have been used in the past, but they must be shaved first...