Lichen is often we find in many place. In the jungle this plant always covered big tree surface skin. If you are get lost in jungle do not worry because you can use lichen to determine direction. Lichen always grow at the east side of tree that is the point.
Before mankind find the compass they use nature clue to determine direction. In the sea they use stars for the clue to determine east, west, north and south. In the jungle they use lichen. Nothing vain in this world everything useful for eachother. We are not alone believe it frenz..