| Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. Macoun 115 | 1875 | Canada | British Columbia | Victoria Island | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. Macoun | 1875 | Canada | Alberta | Peace River | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. A. Allen | 31 Jul 1877 | United States of America | Maine | Mt. Kineo | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | F. N. Pease | 12 Apr 1878 | United States of America | Colorado | Alpine Pass near Lake City | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. A. Allen | 13 Aug 1878 | United States of America | New Hampshire | Mt. Washington | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. A. Allen | 02 Sep 1881 | Canada | Quebec | Gaspé Co.: Summit of Mt.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | E. G. Britton 144 | Jun 1882 | United States of America | New Hampshire | White Mts. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | W. R. Dudley | 24 Nov 1882 | United States of America | New York | Near Free Hollow Gorge, Cayuga… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | W. R. Dudley | 24 Nov 1882 | United States of America | New York | Near Free Hollow Gorge, Cayuga… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | E. Faxon 482 | 16 Jun 1883 | United States of America | New Hampshire | Summit of Mt. Willard | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | — | 16 Jun 1883 | United States of America | New Hampshire | Summit of Mt. Willard | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | W. R. Dudley | Oct 1883 | United States of America | New York | Tompkins Co. Buttermilk Ravine, Cayuga… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | W. A. Setchell | 30 May 1885 | United States of America | Connecticut | Meriden | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | E. Faxon 483 | 26 Jun 1886 | United States of America | New Hampshire | Alpine Garden, Mt. Washington | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | N. L. Britton | Aug 1889-Sep 1889 | Canada | Ontario | Thunder Bay Distr. Kakabeka Falls | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | H. A. Brown | 31 May 1890 | United States of America | Virginia | Giles Co. Bald Knob Salt… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | H. A. Brown | 07 Jun 1890 | United States of America | Virginia | Bedford Co. Peaks of Otter | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | — | 28 Jun 1890 | United States of America | Alaska | Bering Strait | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | N. L. Britton | 19 Jul 1890 | United States of America | Pennsylvania | Bucks Co. Nockamixon Rocks [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. K. Small 125 | 19 Jul 1890 | United States of America | Pennsylvania | Bucks Co. Nockamixon Rocks, Lancaster | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | — | 19 Aug 1890 | United States of America | Virginia | Kate Mt., White Sulphur Springs | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. K. Small 128 | 18-19 Sep 1890 | United States of America | Pennsylvania | Lycoming Co. North of Williamsport,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. K. Small | 6-10 Jul 1891 | United States of America | North Carolina | Blowing Rock Mt. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. H. Turner | 1891 | United States of America | Alaska | Porcupine River | — |  |  |  |  | 
                       
                        
                            
                            
                                | Rhytidium rugosum (Ehrh. ex Hedw.) Kindb. | J. K. Small | 10 May 1892 | United States of America | West Virginia | Greenbrier Co. Kates Mt. | — |  |  |  |  |