What are the main characteristics of the common moss plant common foot moss, and is it edible?

Common foot moss is a type of moss plant; this moss plant is one of the most widely distributed mosses and is very common; it is a moss that cannot be eaten. It mainly grows in damp places, clinging to tree bark, the ground, rock surfaces, and so on. A single plant is very small, and they grow in clusters. Its color is green.