1, it is impossible to simply distinguish whether mushrooms are poisonous or not according to their colors and shapes.

Most mushrooms grow in dark and humid environment, some are poisonous and some are edible.

Mushroom toxin can't react with silverware, so it can't change color.

4. Some poisonous mushrooms do have discolored secretions, but some juicy mushrooms have milk secretion after being injured, and their colors will change at the same time. They are not only non-toxic, but also delicious edible mushrooms, such as juicy Lactarius.