| 
                                    Hyalotheca dissiliens
                                 | 
                                F. D. Lambert s.n. | 
                                Oct 1904 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Medford | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Hyalotheca dissiliens
                                 | 
                                F. D. Lambert s.n. | 
                                Oct 1904 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Medford | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Spirogyra bellis (Hassall) P.Crouan & H.Crouan
                                 | 
                                F. D. Lambert s.n. | 
                                Aug 1914 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Tufts College, Reservoir | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Spirogyra bellis (Hassall) P.Crouan & H.Crouan
                                 | 
                                F. D. Lambert s.n. | 
                                Aug 1914 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Tufts College, Reservoir | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Vaucheria thuretii Woronin
                                 | 
                                F. D. Lambert s.n. | 
                                Aug 1902 | 
                                United States of America | 
                                Maine | 
                                Cumberland Co. South Harpswell, on… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Scenedesmus quadricauda (Turpin) Bréb.
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Suffolk Co. cultivated in the… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Scenedesmus quadricauda (Turpin) Bréb.
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Suffolk Co. cultivated in the… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Characium gracilipes F.D.Lamb.
                                 | 
                                F. D. Lambert s.n. | 
                                May 1905 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Middlesex Fells, in… | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Characium gracilipes F.D.Lamb.
                                 | 
                                F. D. Lambert s.n. | 
                                May 1905 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Middlesex Fells, in… | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Selenastrum bibraianum Reinsch
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Suffolk Co. from material collected… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Selenastrum bibraianum Reinsch
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Suffolk Co. from material collected… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium huntii H.C.Wood ex Hirn
                                 | 
                                F. D. Lambert s.n. | 
                                28 Oct 1906 or Sep 1907 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. forming a dense… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium huntii H.C.Wood ex Hirn
                                 | 
                                F. D. Lambert s.n. | 
                                28 Oct 1906 or Sep 1907 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. forming a dense… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Spirogyra quadrata
                                 | 
                                F. D. Lambert s.n. | 
                                01 Apr 1913 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Middlesex Fells | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Spirogyra quadrata
                                 | 
                                F. D. Lambert s.n. | 
                                01 Apr 1913 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. Middlesex Fells | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Scenedesmus dimorphus (Turpin) Kütz.
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Suffolk Co. from material collected… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Scenedesmus dimorphus (Turpin) Kütz.
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Massachusetts | 
                                Suffolk Co. from material collected… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Zygnema stellinum (O.F.Müll.) C.Agardh
                                 | 
                                F. D. Lambert s.n. | 
                                24 Apr 1909 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. brook in Middlesex… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Zygnema stellinum (O.F.Müll.) C.Agardh
                                 | 
                                F. D. Lambert s.n. | 
                                24 Apr 1909 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. brook in Middlesex… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Zygnema stellinum (O.F.Müll.) C.Agardh
                                 | 
                                F. D. Lambert s.n. | 
                                24 Apr 1909 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. brook in Middlesex… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Zygnema stellinum (O.F.Müll.) C.Agardh
                                 | 
                                F. D. Lambert s.n. | 
                                24 Apr 1909 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. brook in Middlesex… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aphanizomenon flos-aquae (L.) Ralfs
                                 | 
                                F. D. Lambert s.n. | 
                                16 Oct 1906 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. floating on quiet… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Cladophora uberrima F.D.Lamb.
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Ohio | 
                                Erie Co. in a tank,… | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Cladophora uberrima F.D.Lamb.
                                 | 
                                F. D. Lambert s.n. | 
                                s.d. | 
                                United States of America | 
                                Ohio | 
                                Erie Co. in a tank,… | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium huntii H.C.Wood ex Hirn
                                 | 
                                F. D. Lambert s.n. | 
                                28 Oct 1906 | 
                                United States of America | 
                                Massachusetts | 
                                Middlesex Co. forming a dense… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |