| 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                Collector unknown 2865 | 
                                07 Jun 1894 | 
                                — | 
                                — | 
                                Beaver Brook | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                28 Sep 1879 | 
                                Denmark | 
                                — | 
                                Daniæ in stagno prope Frederiksdal… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                W. A. Setchell s.n. | 
                                21 Jun 1890 | 
                                United States of America | 
                                Connecticut | 
                                New London Co. in a… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                28 Sep 1879 | 
                                Denmark | 
                                — | 
                                Daniæ in stagno prope Frederiksdal… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                see Collection Note s.n. | 
                                s.d. | 
                                United States of America | 
                                New York | 
                                Tompkins Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                Collector unknown s.n. | 
                                07 Jun 1894 | 
                                — | 
                                — | 
                                Beaver Brook | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                28 Sep 1879 | 
                                Denmark | 
                                — | 
                                Selandia | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                W. G. Farlow s.n. | 
                                May 1894 | 
                                United States of America | 
                                Maine | 
                                York Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                28 Sep 1879 | 
                                Denmark | 
                                — | 
                                Själland: Fredriksdal | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                28 Sep 1879 | 
                                Denmark | 
                                — | 
                                Själland: Köpenhamn, Frederiksdal | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum var. idioandrosporum Nordst. & Wittr. ex Hirn
                                 | 
                                W. A. Setchell s.n. | 
                                21 Jun 1890 | 
                                United States of America | 
                                Connecticut | 
                                New London Co. in a… | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum var. idioandrosporum Nordst. & Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                28 Sep 1879 | 
                                Denmark | 
                                — | 
                                Daniæ in stagno prope Frederiksdal… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                — | 
                                — | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                — | 
                                — | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                — | 
                                — | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                E. N. Transeau s.n. | 
                                1910 | 
                                United States of America | 
                                Illinois | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                F. S. Collins s.n. | 
                                08 Jun 1890 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. in stagnant pool | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                F. S. Collins s.n. | 
                                08 Jun 1890 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. in stagnant pool | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                E. N. Transeau 2441 | 
                                06 Jun 1914 | 
                                United States of America | 
                                Illinois | 
                                Coles Co. Charleston | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                F. S. Collins | W. A. Setchell 76 | 
                                08 Jun 1890 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Malden | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                — | 
                                — | 
                                — | 
                                — | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                1878 | 
                                Sweden | 
                                Skåne | 
                                Kristianstad | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum var. idioandrosporum Nordst. & Wittr. ex Hirn
                                 | 
                                C. F. O. Nordstedt s.n. | 
                                02 Oct 1878 | 
                                Sweden | 
                                Skåne | 
                                Kristianstad | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                F. S. Collins s.n. | 
                                08 Jun 1890 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. in stagnant pool | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium crassiusculum Wittr. ex Hirn
                                 | 
                                W. G. Farlow s.n. | 
                                May 1894 | 
                                United States of America | 
                                Maine | 
                                York Co. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |