They were often but not always the object of the Wild Hunt. According to folklore, in order to escape the hunt they enter the trees that woodsmen have marked with a cross that will be chopped down.
The moss people are similar to a Hamadryad. Their lives are "attached to the trees; if any one causes by friction the inner bark to loosen a Wood-woman dies.
They are thought to be small, with hair and clothes made of moss. In some sources they are said to look old, in other descriptions they are pretty and have butterfly wings.