Mushrooms in mushroom books are not representative of mushrooms in the wild. They're typically very nice specimens where every important characteristic is visib

Mushrooms in mushroom books are not representative of mushrooms in the wild. They're typically very nice specimens where every important characteristic is visible. Well-photographed, too. That there's an abundance of these sorts of apps is virtually a guarantee that most of them haven't understood how hard it actually is to train a classifier for this.