| Bryohaplocladium microphyllum (Hedw.) R.Watan. & Z.Iwats. | R. O. S. Breen 2958 | 03 Apr 1953 | United States of America | Florida | Hillsborough Co. Hillsborough State Park;… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Bryohaplocladium microphyllum (Hedw.) R.Watan. & Z.Iwats. | R. O. S. Breen 2993 | 03 Apr 1953 | United States of America | Florida | Hillsborough Co. Hillsborough State Park;… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Bryohaplocladium microphyllum (Hedw.) R.Watan. & Z.Iwats. | R. O. S. Breen 338 | 26 Dec 1937 | United States of America | Florida | Wakulla Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Marchantia domingensis Lehm. & Lindenb. | R. O. S. Breen 2239 | 29 Jan 1944 | United States of America | Florida | Gadsden Co. Aspalaga Bluff | — |  |  |  |  | 
                       
                        
                            
                            
                                | Pylaisiadelpha recurvans (Michx.) W.R.Buck | R. O. S. Breen | 5-6 Sep 1947 | United States of America | Tennessee | Mt. Le Conte | — |  |  |  |  | 
                       
                        
                            
                            
                                | Pylaisiadelpha recurvans (Michx.) W.R.Buck | R. O. S. Breen | 5-6 Sep 1947 | United States of America | Tennessee | Mt. Le Conte | — |  |  |  |  | 
                       
                        
                            
                            
                                | Pylaisiadelpha recurvans (Michx.) W.R.Buck | R. O. S. Breen 3887 | 8/4/1947 | United States of America | Tennessee | Ramsay Cascades | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen 2986 | 03 Apr 1953 | United States of America | Florida | Hillsborough Co. Hillsborough State Park,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen 3005 | 04 Apr 1953 | United States of America | Florida | Citrus Co. Park along river | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen 3002 | 04 Apr 1953 | United States of America | Florida | Citrus Co. Park along river | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen 3238 | 30 Dec 1953 | United States of America | Florida | Miami-Dade Co. Redlands Hammock, 3… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen 2266 | 25 Mar 1944 | United States of America | Florida | Gadsden Co. Glen Julia | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen | 26 Dec 1940 | United States of America | Florida | Jackson Co. Marianna Caverns | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen | 12 Nov 1939 | United States of America | Florida | Suwannee Co. Suwannee River | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plagiochila dubia Lindenb. & Gottsche | R. O. S. Breen 3318 | 27 Mar 19? | United States of America | Florida | Liberty Co. Roadside ditch west… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Splachnobryum obtusum (Brid.) Müll.Hal. | R. O. S. Breen 2777 | 28 Jul 1952 | United States of America | Florida | Miami-Dade Co. Everglades National Park,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Pylaisia selwynii Kindb. | R. O. S. Breen | 06 Jul 1937 | United States of America | Michigan | Washtenaw Co. Saginaw Forest | — |  |  |  |  | 
                       
                        
                            
                            
                                | Frullania squarrosa (Reinw., Blume & Nees) Dumort. | R. O. S. Breen 35x | 01 Jun 1939 | United States of America | Florida | Leon Co. Wacissa Spring | — |  |  |  |  | 
                       
                        
                            
                            
                                | Frullania squarrosa (Reinw., Blume & Nees) Dumort. | R. O. S. Breen 3028A | 05 Apr 1953 | United States of America | Florida | Levy Co. Manatee Springs | — |  |  |  |  | 
                       
                        
                            
                            
                                | Frullania squarrosa (Reinw., Blume & Nees) Dumort. | R. O. S. Breen 2823 | 31 Jul 1952 | United States of America | Florida | Sarasota Co. Myabba State Park | — |  |  |  |  | 
                       
                        
                            
                            
                                | Frullania squarrosa (Reinw., Blume & Nees) Dumort. | R. O. S. Breen 2552 | 21 Oct 1951 | United States of America | Florida | Leon Co. Caldwell's Woods, Tallahassee | — |  |  |  |  | 
                       
                        
                            
                            
                                | Frullania squarrosa (Reinw., Blume & Nees) Dumort. | R. O. S. Breen 54 | 22 Jan 1938 | United States of America | Florida | Leon Co. Lake Bradford | — |  |  |  |  | 
                       
                        
                            
                            
                                | Orthodicranum flagellare (Hedw.) Loeske | R. O. S. Breen | 27 Jul 1937 | United States of America | Michigan | Ludington State Park | — |  |  |  |  | 
                       
                        
                            
                            
                                | Polytrichum pallidisetum Funck | R. O. S. Breen 3884 | 8/4/1947 | United States of America | Tennessee | Ramsay Cascade | — |  |  |  |  | 
                       
                        
                            
                            
                                | Atrichum cylindricum (Willd. ex F.Weber) G.L.S.Merr. | R. O. S. Breen 108 | 07 May 1938 | United States of America | Florida | Leon Co. Rattlesnake Creek | — |  |  |  |  |