| 
                                    Acarospora glaucocarpa (Ach.) Körb.
                                 | 
                                D. L. Dutton 1025 | 
                                19 Jun 1920 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Adiantum pedatum L.
                                 | 
                                D. L. Dutton s.n. | 
                                05 Sep 1911 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ahtiana aurescens (Tuck.) Randlane & A.Thell
                                 | 
                                D. L. Dutton 2698 | 
                                05 Apr 1928 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Amblystegium serpens (Hedw.) Schimp.
                                 | 
                                D. L. Dutton 252 | 
                                03 Oct 1909 | 
                                United States of America | 
                                Vermont | 
                                Addison Co. Region Leicester Brook… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Amblystegium serpens (Hedw.) Schimp.
                                 | 
                                D. L. Dutton 1636 | 
                                03 Jun 1922 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Amblystegium serpens (Hedw.) Schimp.
                                 | 
                                D. L. Dutton 1636 | 
                                03 Jun 1922 | 
                                United States of America | 
                                Vermont | 
                                Brandon. | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Amblystegium serpens var. juratzkanum (Schimp.) Rau & Herv.
                                 | 
                                D. L. Dutton s.n. | 
                                03 Jun 1925 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Andreaea petrophila Fürnr.
                                 | 
                                D. L. Dutton 1722 | 
                                June 21-4, 1922 | 
                                United States of America | 
                                Vermont | 
                                The Chin, Mount Mansfield | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Andreaea rothii F.Weber & D.Mohr
                                 | 
                                D. L. Dutton 824 | 
                                07 Sep 1913 | 
                                United States of America | 
                                Vermont | 
                                about Llana Cascades, Salisbury | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Andreaea rothii F.Weber & D.Mohr
                                 | 
                                D. L. Dutton 1664 | 
                                s.d. | 
                                United States of America | 
                                Vermont | 
                                Smuggler's Notch | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Andreaea rothii F.Weber & D.Mohr
                                 | 
                                D. L. Dutton 677 | 
                                21 May 1911 | 
                                United States of America | 
                                Vermont | 
                                Mt. Pico, Rochester | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Anomodon rostratus (Hedw.) Schimp.
                                 | 
                                D. L. Dutton 259 | 
                                13 Oct 1909 | 
                                United States of America | 
                                Vermont | 
                                Addison Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Anthoceros crispulus (Mont.) Douin
                                 | 
                                D. L. Dutton 1136 | 
                                02 Nov 1920 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Anthoceros crispulus (Mont.) Douin
                                 | 
                                D. L. Dutton 1894 | 
                                07 Oct 1922 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Anthoceros crispulus (Mont.) Douin
                                 | 
                                D. L. Dutton 1873 | 
                                15 Aug 1922 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Asterella tenella (L.) P.Beauv.
                                 | 
                                D. L. Dutton 1467 | 
                                16 May 1921 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aulacomnium heterostichum (Hedw.) Bruch & Schimp.
                                 | 
                                D. L. Dutton 671 | 
                                15 Jun 1911 | 
                                United States of America | 
                                Vermont | 
                                Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aulacomnium palustre (Hedw.) Schwägr.
                                 | 
                                D. L. Dutton 1247 | 
                                16 May 1921 | 
                                United States of America | 
                                Vermont | 
                                Scanlon swamp, Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aulacomnium palustre (Hedw.) Schwägr.
                                 | 
                                D. L. Dutton 1480 | 
                                22 Oct 1921 | 
                                United States of America | 
                                Vermont | 
                                Scanlon swamp, Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aulacomnium palustre (Hedw.) Schwägr.
                                 | 
                                D. L. Dutton 1247 | 
                                16 May 1921 | 
                                United States of America | 
                                Vermont | 
                                Scanlon swamp, Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid.
                                 | 
                                D. L. Dutton 2352 | 
                                16 May 1925 | 
                                United States of America | 
                                Vermont | 
                                Addison Co. Leicester | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid.
                                 | 
                                D. L. Dutton 1549 | 
                                19 Nov 1921 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bacidia schweinitzii (Fr. ex Tuck.) A.Schneid.
                                 | 
                                D. L. Dutton 2697 | 
                                05 Apr 1928 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bacidina egenula (Nyl.) Vězda
                                 | 
                                D. L. Dutton 1976 | 
                                09 Dec 1922 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Barbilophozia barbata (Schreb.) Loeske
                                 | 
                                D. L. Dutton 2526 | 
                                06 Nov 1926 | 
                                United States of America | 
                                Vermont | 
                                Pittsford | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Barbilophozia barbata (Schreb.) Loeske
                                 | 
                                D. L. Dutton 1385 | 
                                05 Sep 1921 | 
                                United States of America | 
                                Vermont | 
                                Region Silver Mine, Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Barbula unguiculata Hedw.
                                 | 
                                D. L. Dutton 681 | 
                                16 Jun 1912 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bartramia pomiformis Hedw.
                                 | 
                                D. L. Dutton 1286 | 
                                20 Jun 1921 | 
                                United States of America | 
                                Vermont | 
                                Birch Hill Silver Mine, Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bazzania trilobata (L.) Gray
                                 | 
                                D. L. Dutton 2193 | 
                                16 Sep 1924 | 
                                United States of America | 
                                Vermont | 
                                Scanlon swamp | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bazzania trilobata (L.) Gray
                                 | 
                                D. L. Dutton 2169 | 
                                28 Jun 1924 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bazzania trilobata (L.) Gray
                                 | 
                                D. L. Dutton 2168 | 
                                28 Jun 1924 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bazzania trilobata (L.) Gray
                                 | 
                                D. L. Dutton 2208 | 
                                12 Oct 1924 | 
                                United States of America | 
                                Vermont | 
                                Northfield | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Blindia acuta (Hedw.) Bruch & Schimp.
                                 | 
                                D. L. Dutton 669 | 
                                23 Aug 1911 | 
                                United States of America | 
                                Vermont | 
                                region of Mt. Horrid, Rochester | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Blindia acuta (Hedw.) Bruch & Schimp.
                                 | 
                                D. L. Dutton 669 | 
                                23 Aug 1911 | 
                                United States of America | 
                                Vermont | 
                                Rochester | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium acutum (Mitt.) Sull.
                                 | 
                                D. L. Dutton 2603 | 
                                05 Jun 1927 | 
                                United States of America | 
                                Vermont | 
                                Leicester | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium laetum (Brid.) Schimp.
                                 | 
                                D. L. Dutton 899 | 
                                24 Jul 1915 | 
                                United States of America | 
                                Vermont | 
                                Brandon, N side of house | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium laetum (Brid.) Schimp.
                                 | 
                                D. L. Dutton 2109 | 
                                19 Dec 1923 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium plumosum (Hedw.) Schimp.
                                 | 
                                D. L. Dutton 286 | 
                                08 Nov 1909 | 
                                United States of America | 
                                Vermont | 
                                Windsor Co. Corporation Brook Valley | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium populeum (Hedw.) Schimp.
                                 | 
                                D. L. Dutton  | 
                                — | 
                                United States of America | 
                                Vermont | 
                                Mt. Mansfield, Hall Brook Trail | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium reflexum (Starke) Schimp.
                                 | 
                                D. L. Dutton 2108 | 
                                21 Dec 1923 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium rivulare Schimp.
                                 | 
                                D. L. Dutton 1473 | 
                                22 Oct 1921 | 
                                United States of America | 
                                Vermont | 
                                Scanlon swamp, Brandon | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Brachythecium rivulare Schimp.
                                 | 
                                D. L. Dutton 894 | 
                                15 Aug 1915 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bryhnia novae-angliae (Sull. & Lesq.) Grout
                                 | 
                                D. L. Dutton 484 | 
                                02 Oct 1910 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bryhnia novae-angliae (Sull. & Lesq.) Grout
                                 | 
                                D. L. Dutton 963 | 
                                1913 | 
                                United States of America | 
                                Vermont | 
                                Goshen | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bryum pseudotriquetrum subsp. bimum (Brid.) Hartm.
                                 | 
                                D. L. Dutton 1037 | 
                                03 Jul 1920 | 
                                United States of America | 
                                Vermont | 
                                Brandon, Birch hill | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Callicladium haldanianum (Grev.) H.A.Crum
                                 | 
                                D. L. Dutton  | 
                                22 Nov 1912 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Calliergon cordifolium (Hedw.) Kindb.
                                 | 
                                D. L. Dutton 898 | 
                                18 Jul 1915 | 
                                United States of America | 
                                Vermont | 
                                Brandon, Birch Hill Swamp | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Calliergon giganteum (Schimp.) Kindb.
                                 | 
                                D. L. Dutton 676 | 
                                08 Jun 1912 | 
                                United States of America | 
                                Vermont | 
                                Rutland Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Calliergon giganteum (Schimp.) Kindb.
                                 | 
                                D. L. Dutton 2605 | 
                                25 Jun 1927 | 
                                United States of America | 
                                Vermont | 
                                Swamp Monkton | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Calliergon giganteum var. tenue Karczm.
                                 | 
                                D. L. Dutton 334 | 
                                16 Jul 1909 | 
                                United States of America | 
                                Vermont | 
                                Cedar Swamp, Brandon. | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |