[RicardoLuis0]

that's exactly the point, the _lack of_ humans during its evolution is what it has to do with us, a mushroom may be poisonous to the species that it evolved around, while at the same time not being poisonous to humans

[Sharlin]

Hmm. I'm not sure there are many mushrooms poisonous to other mammals but not to us. We have almost exactly the same biochemistry after all.