Monographs Details: Polytrichastrum alpinum (Hedw.) G.L.Sm.
Authority: Smith, Gary L. 1971. Conspectus of the genera of Polytrichaceae. Mem. New York Bot. Gard. 21: 1-83.
Family:Polytrichaceae
Discussion:

Polytrichum alpinum [L. Sp. PI. 1109. 1753.] Hedw., Sp. Muse. 92. 1801.