Rhodobryum roseum

Rhodobryum roseum, commonly known as rose moss, is a species of moss of the subclass Bryidae and family Bryaceae, found throughout most of the world in woods or sheltered grassy places. It rarely forms sporophytes and spore cases, and primarily reproduces vegetatively by stolons, horizontal stems that root at the nodes, resulting in populations of plants that are sterile or only female....read more on Wikipedia.