| Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock s.n. | s.d. | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock | Aug 1 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock | 30 Aug 1887 | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock s.n. | May 1887 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | — | 13 Jun 1892 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock | 18 May 1892 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock | 30 Aug 1887 | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock s.n. | 18 May 1889 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock | 25 Jun 1892 | United States of America | Kansas | Decatur Co. Jennings | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | — | 27 May | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock s.n. | May 1887 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock s.n. | May 17 | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | E. Bartholomew 1888 | 14 Aug 1895 | United States of America | Kansas | Rooks Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | M. A. Carleton C99 | 11 May 1888 | United States of America | Kansas | Sedgwick Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | M. A. Carleton | 01 Jun 1888 | United States of America | Kansas | Cloud Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | E. Bartholomew 641 | 10 Aug 1892 | United States of America | Kansas | Rooks Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | A. S. Hitchcock | 15 Jun 1889 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | J. F. Brenckle s.n. | Aug 1920 | United States of America | North Dakota | Lamoure Co. Kulm | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | J. M. Bates s.n. | 26 May 1905 | United States of America | Nebraska | Merrick Co. Palmer | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | J. Dearness s.n. | 16 Jun 1916 | Canada | Ontario | Melrose | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | J. Dearness s.n. | 20 Jul 1912 | Canada | Ontario | Melrose | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | J. F. Brenckle s.n. | Aug 1920 | United States of America | North Dakota | Lamoure Co. Kulm | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | 19761 | 10 Feb 1921 | United States of America | Maryland | Montgomery Co. Cabin John | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | W. T. Swingle 3057 | 07 May 1892 | United States of America | Florida | Saint Johns Co. Hastings | — |  |  |   |  | 
                       
                        
                            
                            
                                | Plasmopara halstedii (Farl.) Berl. | Collector unspecified s.n. | 10 Jun 1925 | United States of America | District of Columbia | Washington D. C. | — |  |  |   |  |