| 
                                    Desmarestia aculeata f. media (C.Agardh) J.Agardh
                                 | 
                                A. A. Lawson s.n. | 
                                Jun 1899 - Aug 1899 | 
                                United States of America | 
                                Alaska | 
                                Unalaska, cast ashore in entangled… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Desmarestia aculeata f. media (C.Agardh) J.Agardh
                                 | 
                                A. A. Lawson s.n. | 
                                Jun 1899 - Aug 1899 | 
                                United States of America | 
                                Alaska | 
                                Unalaska, cast ashore in entangled… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Chordaria flagelliformis (O.F.Müll.) C.Agardh
                                 | 
                                A. A. Lawson s.n. | 
                                Jun 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Chordaria flagelliformis (O.F.Müll.) C.Agardh
                                 | 
                                A. A. Lawson s.n. | 
                                Jun 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Turnerella mertensiana (Postels & Rupr.) F.Schmitz
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                s.d. | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Bay… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Turnerella mertensiana (Postels & Rupr.) F.Schmitz
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                s.d. | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Bay… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix aequalis Kütz.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                Jul 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix tenuissima Kütz.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                Jul 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix zonata (F.Weber & D.Mohr) Kütz.
                                 | 
                                W. A. Setchell s.n. | 
                                Jul 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ectocarpus siliculosus (Dillwyn) Lyngb.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                Jun 1899 - Aug 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ectocarpus siliculosus (Dillwyn) Lyngb.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                Jun 1899 - Aug 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Desmarestia aculeata f. media (C.Agardh) J.Agardh
                                 | 
                                A. A. Lawson s.n. | 
                                Jun 1899 - Aug 1899 | 
                                United States of America | 
                                Alaska | 
                                Unalaska, cast ashore in entangled… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Chordaria flagelliformis f. typica Kjellm.
                                 | 
                                A. A. Lawson s.n. | 
                                Jun 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Sarcophyllis arctica Kjellm.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                s.d. | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Bay… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix tenuissima Kütz.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                Jul 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ulothrix zonata (F.Weber & D.Mohr) Kütz.
                                 | 
                                W. A. Setchell s.n. | 
                                Jul 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Ectocarpus terminalis Kütz.
                                 | 
                                W. A. Setchell | A. A. Lawson s.n. | 
                                Jun 1899 - Aug 1899 | 
                                United States of America | 
                                Alaska | 
                                Aleutians West Census Area. Unalaska,… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Microspora tumidula Hazen
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Warm Sulphur Springs, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Microspora tumidula Hazen
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Warm Sulphur Springs, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Microspora tumidula Hazen
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Warm Sulphur Springs, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Microspora tumidula Hazen
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Warm Sulphur Springs, in… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Phormidium treleasei Gomont
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Hot Sulphur Springs | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Scytonema mirabile var. leprieurii Kütz.
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                19 Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Warm Sulphur Springs | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Phormidium tenue Gomont
                                 | 
                                E. Butler | J. M. Polley s.n. | 
                                Jun 1901 | 
                                Canada | 
                                Alberta | 
                                Banff. Hot Sulphur Springs | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Stichococcus bacillaris Nägeli
                                 | 
                                W. J. V. Osterhout s.n. | 
                                08 Jun 1902 | 
                                United States of America | 
                                California | 
                                Alameda Co. in shade, on… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |