| 
                                    Oedogonium boscii Wittr. ex Hirn
                                 | 
                                I. Holden s.n. | 
                                02 Jul 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. on submerged plants… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium boscii Wittr. ex Hirn
                                 | 
                                I. Holden s.n. | 
                                02 Jul 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. on submerged plants… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Tuomeya fluviatilis Harv.
                                 | 
                                I. Holden s.n. | 
                                s.d. | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Pequonnock River, attached… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Tuomeya fluviatilis Harv.
                                 | 
                                I. Holden s.n. | 
                                s.d. | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Pequonnock River, attached… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Tuomeya fluviatilis Harv.
                                 | 
                                I. Holden s.n. | 
                                s.d. | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Pequonnock River, attached… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix implexa (Kütz.) Kütz.
                                 | 
                                I. Holden s.n. | 
                                07 May 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. in brackish water,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix implexa (Kütz.) Kütz.
                                 | 
                                I. Holden s.n. | 
                                07 May 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. in brackish water,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Trentepohlia setifera Farl.
                                 | 
                                W. A. Setchell s.n. | 
                                22 Dec 1891 | 
                                United States of America | 
                                Connecticut | 
                                New London Co. on white… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Trentepohlia setifera Farl.
                                 | 
                                W. A. Setchell s.n. | 
                                22 Dec 1891 | 
                                United States of America | 
                                Connecticut | 
                                New London Co. on white… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Trentepohlia setifera Farl.
                                 | 
                                W. A. Setchell s.n. | 
                                22 Dec 1891 | 
                                United States of America | 
                                Connecticut | 
                                New London Co. on white… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix implexa (Kütz.) Kütz.
                                 | 
                                I. Holden s.n. | 
                                07 May 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Bridgeport | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Cladophora pulverulenta (Mertens) H.K.Phinney
                                 | 
                                I. Holden s.n. | 
                                30 May 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. in brackish marsh… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Haematococcus lacustris (Gir.-Chantr.) Rostaf.
                                 | 
                                I. Holden s.n. | 
                                03 Jul 1892 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. on dripping rocks… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Haematococcus lacustris (Gir.-Chantr.) Rostaf.
                                 | 
                                I. Holden s.n. | 
                                03 Jul 1892 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. on dripping rocks… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Rhabdonia tenera (J.Agardh) J.Agardh
                                 | 
                                I. Holden s.n. | 
                                23 Sep 1891 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. Bridgeport | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bostrychia rivularis Harv.
                                 | 
                                I. Holden s.n. | 
                                Oct 1890 - Nov 1890 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. near high water… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Rhizoclonium hieroglyphicum var. macromeres Nordst.
                                 | 
                                W. A. Setchell s.n. | 
                                02 Dec 1891 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. floating on… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Cladophora fracta (O.F.Müll. ex Vahl) Kütz.
                                 | 
                                I. Holden s.n. | 
                                16 Oct 1892 | 
                                United States of America | 
                                Connecticut | 
                                Litchfield Co. Twin Lakes | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix implexa (Kütz.) Kütz.
                                 | 
                                I. Holden s.n. | 
                                07 May 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. in brackish water,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Trentepohlia setifera Farl.
                                 | 
                                W. A. Setchell s.n. | 
                                22 Dec 1891 | 
                                United States of America | 
                                Connecticut | 
                                New London Co. on white… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Haematococcus lacustris (Gir.-Chantr.) Rostaf.
                                 | 
                                I. Holden s.n. | 
                                03 Jul 1892 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. on dripping rocks… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bostrychia rivularis Harv.
                                 | 
                                I. Holden s.n. | 
                                Oct 1890 - Nov 1890 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. near high water… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Rhizoclonium hieroglyphicum var. macromeres Nordst.
                                 | 
                                W. A. Setchell s.n. | 
                                02 Dec 1891 | 
                                United States of America | 
                                Connecticut | 
                                New Haven Co. floating on… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Cladophora expansa (Mert.) Kütz.
                                 | 
                                I. Holden s.n. | 
                                30 May 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. in brackish marsh… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oedogonium boscii Wittr. ex Hirn
                                 | 
                                I. Holden s.n. | 
                                02 Jul 1893 | 
                                United States of America | 
                                Connecticut | 
                                Fairfield Co. on submerged plants… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |