| Hypnum planum Brid., 1812 |
| Hypnum plumosum Hedw., 1801 |
| Hypnum polypterum (Mitt.) Broth., 1925 |
| Hypnum polytrichoides Hedw., 1801 |
| Hypnum praelongum Hedw., 1801 |
| Hypnum pulchellum Hedw., 1801 |
| Hypnum pungens Hedw., 1801 |
| Hypnum quadrangulare Schwägr., 1816 |
| Hypnum reptans Sw. ex Hedw., 1801 |
| Hypnum revolutum (Mitt.) Lindb., 1867 |
| Hypnum revolutum var. subjulaceum Bryhn, 1907 |
| Hypnum riparioides Hedw., 1801 |
| Hypnum riparium Hedw., 1906 |
| Hypnum ruderale Brid., 1812 |
| Hypnum rugosum Hedw., 1801 |
| Hypnum salebrosum Hoffm. ex F. Weber & D. Mohr., 1803 |
| Hypnum salleanum Besch., 1872 |
| Hypnum scabrifolium Hook. f. & Wilson, 1844 |
| Hypnum scariosum Taylor, 1846 |
| Hypnum schistocalyx Müll. Hal., 1851 |