Might be valid advice for some regions, I don’t know. But mushrooms tend to vary quite a bit in appearance. Sometimes ribbed species don’t have very visible ribs, or younger mushrooms don’t quite have all the characteristics of their mature form. If you really want to get into picking mushrooms, there’s often local groups you can join with a resident expert who can tell you which ones are safe.
Might be valid advice for some regions, I don’t know. But mushrooms tend to vary quite a bit in appearance. Sometimes ribbed species don’t have very visible ribs, or younger mushrooms don’t quite have all the characteristics of their mature form. If you really want to get into picking mushrooms, there’s often local groups you can join with a resident expert who can tell you which ones are safe.