Polytrichum commune
 Polytrichum commune (also known as Common haircap moss Common hair moss great gold headed or Great Goldilocks) is a species of moss found in many regions with high humidity and rainfall. The species can be exceptionally tall for a moss with stems often exceeding 30 cm (12 inches) though rarely reaching 70 cm (28 inches) but it is most commonly found at shorter lengths of 5 to 10 cm (2 to 4 inches).