| Plagiomnium cuspidatum (Hedw.) T.J.Kop. | — | 30 Apr 1914 | United States of America | — | See location note | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | C. F. Millspaugh 39910 | 30 May 1915 | United States of America | Wisconsin | Door Co. Ephraim | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | — | — | United States of America | — | See location note | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | 158 | — | United States of America | — | Florida? | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | J. A. Allen | 05 Sep 1898 | United States of America | Washington | Upper Valley of Nesqually | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | G. E. Nichols 100 | 29 Jul 1907 | United States of America | Connecticut | Litchfield Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | G. W. Byers | 07 Apr 1949 | United States of America | Virginia | Giles Co. Mt. Lake Biol.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | L. W. Riddle | May 1907 | United States of America | Massachusetts | Banking SE of Stone Hall | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | A. R. Northrop | 1902 | United States of America | Maine | Near Prospect Harbor | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | J. K. Small | 6-10 Jul 1891 | United States of America | North Carolina | Blowing Rock Mountain | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | R. O. S. Breen 1439 | 16 Nov 1939 | United States of America | Florida | Jackson Co. Marianna Caverns | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | J. L. C. Marie-Victorin 66 | 23 Jun 1918 | Canada | Quebec | Saint-Laurent: Vielle Mission (Lac Témiscamingue) | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | C. S. Altland | 18 Jul 1937 | United States of America | Pennsylvania | Centre Co. Pleasant Gap Fish… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | J. E. Potzger 276 | 27 Apr 1933 | United States of America | Indiana | Marion Co. Ft. Harrison | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | S. S. Visher 2431 | 21 Jul 1911 | United States of America | South Dakota | Pine Ridge Reservation | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | L. Dunn 434 | 20 Jul 1965 | United States of America | Arizona | Coconino Co. Upper end of… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | E. G. Simmons 1116 | Oct 1945 | United States of America | Indiana | Putnam Co. Fern | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | B. F. Bush | 21 Apr 1894 | United States of America | Missouri | Independence | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | B. F. Bush | 01 Apr 1894 | United States of America | Missouri | Independence | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | H. H. Iltis 2633 | 21 Dec 1942 | United States of America | Virginia | Spotsylvania Co. Fredericksburg | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | E. J. Palmer | 24 Apr 1957 | United States of America | Missouri | Dade Co. 4.5 mi E… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | K. A. Wagner 205 | 29 Jun 1945 | United States of America | Michigan | Cheboygan Co. 1 mi N… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | C. L. Porter 1392 | 20 Aug 1933 | United States of America | Ohio | Wayne Co. Near Wooster | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | S. J. Smith 11125 | 17 May 1952 | United States of America | New York | Oneida Co. Near Oriskany Falls | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiomnium cuspidatum (Hedw.) T.J.Kop. | K. L. Brooks 1138 | 19 Apr 1952 | United States of America | New York | Greene Co. On Throughway, 6… | — |  |  |  |  |