Lost and (under the right conditions) found

When I was a Boy Scout I was taught moss grows on the north side of trees, and you could use that info for direction finding in case (though they always framed it as inevitable) one got lost in a forest. Because I lived in a temperate zone, the only moss I knew of grew on the ground, and the stuff was rather rare. Also, it being a highly suburbanized region, there weren’t many forests, just…