Polytrichum
Polytrichum
Biota | Plantae | Viridiplantae | Streptophyta | Bryophyta | Polytrichopsida | Polytrichales | Polytrichaceae | Polytrichum
| Haeckel, 1866 | Cavalier-Smith, 1981 | John, Williamson & Guiry, 2011 |  | Doweld |  |  | J. Hedwig, 1801