polytrichum alpinum

Polytrichum alpinum, also known as Alpine haircap, is a species of moss from the family Polytrichaceae. It is widely distributed and may be found growing among other moss species.

Polytrichum alpinum grows to form a loose, muddy green or bluish-green to brownish lawn. Typically, it grows 15 centimetres (6 in) up to 20 centimetres (8 in) high. The upright to erect stems often carry tufted branches of equal length above. In the lower part of the stems, leaves are small and scale-like, but become larger ...