Lichen is one of those plants classified in the edible/survival food category! But not all lichens are edible. If they are greenish-yellow, yellow, orange, or hairy, there is a strong chance they are not edible and may actually be toxic! Reindeer Lichen is one of the few hairy-ish type lichens that are edible. When edible is paired with Lichen, the intention is that you can ingest it, it does have necessary trace elements to the human body, and it does have nutritional value, but tastes absolutely terrible as a singular food! Some who have tried to prepare it as a…