| Batrachospermum vagum var. flagelliforme f. tenuissima Collins | I. Holden s.n. | 24 Aug 1896 | United States of America | New York | Hamilton Co. Adirondack Mountains, near… | type |  |  |   |  | 
                       
                        
                            
                            
                                | Batrachospermum vagum var. flagelliforme f. tenuissima Collins | I. Holden s.n. | 24 Aug 1896 | United States of America | New York | Hamilton Co. Adirondack Mountains, near… | type |  |  |   |  | 
                       
                        
                            
                            
                                | Batrachospermum vagum var. flagelliforme f. tenuissima Collins | I. Holden s.n. | 24 Aug 1895 | United States of America | New York | Hamilton Co. Adirondack Mountains, near… | possible type |  |  |   |  | 
                       
                        
                            
                            
                                | Batrachospermum vagum var. flagelliforme f. tenuissima Collins | I. Holden s.n. | 24 Aug 1896 | United States of America | New York | Hamilton Co. Adirondack Mountains, near… | type |  |  |   |  |