So, about one mushroom species in five is poisonous. Why is the ratio so low, why are there lots of edible ones? Without hard-shelled seeds to spread, why be eaten? And the poisonous ones apparently don't use color as a warning signal, and don't smell all that bad, and some of the poisons have really mild effects, like "gives only some people diarrhea" or "makes a hangover worse". Meanwhile three of the deadliest spe…
The same logic of hard seeds applies to spores.