| Polytrichum aurantiacum Hoppe ex Brid. |
Accepted |
14 |
| Polytrichum commune Hedw. |
Accepted |
7 |
| Polytrichum himalayanum (Mitt.) Kindb. |
Accepted |
7 |
| Polytrichum juniperinum Hedw. |
Accepted |
7 |
| Polytrichum microstomum R. Br. ex Schwägr. |
Accepted |
7 |
| Polytrichum neesii M. Hal. |
Accepted |
7 |
| Polytrichum piliferum Hedw. |
Accepted |
7 |
| Polytrichum strictum Menzies ex Brid. |
Accepted |
7 |
| Polytrichum aloides Hedw. |
Synonym of Pogonatum aloides (Hedw.) P. Beauv. |
7 |
| Polytrichum perichaetiale Mont. |
Synonym of Pogonatum gracilifolium Besch. |
7 |
| Polytrichum urnigerum Hedw. |
Synonym of Pogonatum urnigerum (Hedw.) P. Beauv. |
7 |
| Polytrichum alpinum Hedw. |
Synonym of Polytrichastrum alpinum (Hedw.) G. L. Sm. |
7 |
| Polytrichum norwegicum Hedw. |
Synonym of Polytrichastrum alpinum var. septentrionale (Brid.) G. L. Sm. |
14 |
| Polytrichum appalachianum L. E. Anderson |
Synonym of Polytrichastrum appalachianum (L. E. Anderson) G. L. Merr. |
7 |
| Polytrichum formosum Hedw. |
Synonym of Polytrichastrum formosum (Hedw.) G. L. Sm. |
7 |
| Polytrichum gracile Dicks. |
Synonym of Polytrichastrum longisetum (Sw.) G. L. Sm. |
14 |
| Polytrichum ohioense Renauld & Cardot |
Synonym of Polytrichastrum ohioense (Renauld & Cardot) G. L. Sm. |
14 |
| Polytrichum sphaerothecium (Besch.) M. Hal. |
Synonym of Polytrichastrum sexangulare var. vulcanicum (C. E. O. Jensen) G. L. Merr. |
7 |
| Polytrichum alpinum var. arcticum None |
Synonym of Polytrichum alpinum var. arcticum (Sw.) Wahlenb. |
7 |
| Polytrichum commune None |
Synonym of Polytrichum commune Hedw. |
7 |
| Polytrichum alpestre Hoppe |
Synonym of Polytrichum juniperinum Hedw. |
7 |
| Polytrichum juniperinum None |
Synonym of Polytrichum juniperinum Hedw. |
7 |
| Polytrichum piliferum None |
Synonym of Polytrichum piliferum Hedw. |
7 |
| Pogonatum seminudum Mitt. |
Synonym of Polytrichum proliferum Griff. |
7 |
| Polytrichum juniperinum var. gracilius Wahlenb. |
Synonym of Polytrichum strictum Menzies ex Brid. |
7 |