Forager’s Buddy Quick Reference [PDF] - https://goo.gl/piWhk5
Forager's Buddy is a free application for android smartphones and tablets, designed to help users mark on the map all remarkable places, where they can find various kinds of wild food resources (Using the GPS module of the device).
You can use this foraging app in various outdoor activities like wild herbs/mushroom gathering, hunting, fishing, camping, hiking, etc