>>2497146Pick away from footpaths, roadsides and stagnant water.
Quite a lot of wild edible plants can and will bioaccumulate stuff like Arsenic, Cadmium and Lead out of soil, or from the surrounding environment.
And always thoroughly wash anything you intend to eat and cook it well. Saltwater soaks will also help loosen any hidden bugs in stuff like berries.
Picrel, some big Boletes I picked on a mountain a few days ago