| Peronospora hydrophilli Waite | — | 12 May 1887 | United States of America | Iowa | Winneshiek Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora plantaginis Underw. | G. W. Wilson K138 | 10 Jun 1918 | United States of America | Kansas | Laurner (illegible though) | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora cynoglossi (Burrill) D.B.Swingle | M. A. Carleton | 02 Aug 1892 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora valerianae Trail | S. M. Pady R3801 | 22 May 1957 | United States of America | Kansas | Franklin Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | C. L. Kramer 255 | 12 May 1959 | United States of America | Kansas | Riley Co. 3 mi N… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | R. P. White | 25 Jun 1922 | United States of America | Kansas | Riley Co. KSAC campus | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | A. S. Hitchcock | Jul 03 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | I. H. Crowell | 15 Nov 1936 | United States of America | New Mexico | Doña Ana Co. State College | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | — | Jun 1954 | United States of America | Kansas | Hamilton Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | A. S. Hitchcock s.n. | May 16 | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | A. Neovius | 09 Jul 1978 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | S. M. Pady | 30 Mar 1945 | United States of America | Kansas | Neosho Co. .5 mi N… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora phloginis Dietel & Holw. | — | 26 Oct 1948 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora schleideni Unger | L. R. Jones | 14 Sep 1895 | United States of America | Vermont | Milton | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora lamii A.Braun | C. L. Kramer 2701 | 22 Apr 1959 | United States of America | Kansas | Riley Co. Campus, KSU | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora lamii A.Braun | E. Bartholomew | 29 Jun 1895 | United States of America | Kansas | Rooks Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentilae de Bary | — | May 1888 | United States of America | Iowa | Winneshiek Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentilae de Bary | A. S. Hitchcock | Sep or Oct 1878 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentilae de Bary | A. S. Hitchcock | 26 Jun 1887 | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentilae de Bary | A. S. Hitchcock | Sep or Oct 1878 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentilae de Bary | A. S. Hitchcock | 12 Jun 1889 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentilae de Bary | A. S. Hitchcock s.n. | Apr 1887 | United States of America | Iowa | Johnson Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora arborescens (Berk.) Casp. | 3 | 06 Feb 1964 | India | — | Delhi University campus | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora arborescens (Berk.) Casp. | A. Ludwig | 12 Apr 1912 | Germany | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora hyoscyami de Bary | A. S. Hitchcock | 23 May | United States of America | Iowa | Story Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora parasitica (Pers.:Fr.) Fr. | R. J. Bandoni | 06 Oct 1969 | Canada | British Columbia | UBC [Univerisy of British Columbia]… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora | L. C. Hulbert 4309 | 01 Sep 1965 | United States of America | Kansas | Morton Co. Middle Spring, 8… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora | Collector unspecified s.n. | 10 Aug 1957 | United States of America | Oregon | Wallowa Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora arthurii Farl. | R. Sprague Mycol. Herb., Dept of Plant Path State College of Washington A.S. No.36588 | 23 May 1953 | United States of America | Washington | Douglas Co. 2.5 mi. N.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora conglomerata Fuckel | Collector unspecified s.n. | 14 Jun 1948 | United States of America | Washington | Whitman Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora farinosa (Fr.:Fr.) Fr. | Collector unspecified s.n. | 10 Nov 1928 | United States of America | Washington | Walla Walla | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora hydrophylli Waite | Collector unspecified s.n. | 11 Jul 1948 | United States of America | Washington | Garfield Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora myosotidis de Bary | Collector unspecified s.n. | s.d. | United States of America | Washington | Garfield Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora parasitica (Pers.:Fr.) Fr. | Collector unspecified s.n. | 26 May 1921 | United States of America | Washington | Pullman. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora phlogina Dietel & Holw. | Collector unspecified s.n. | 04 Jun 1948 | United States of America | Washington | Garfield Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora potentillae de Bary | Collector unspecified s.n. | 05 Aug 1948 | United States of America | Washington | Spokane Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora trifoliorum de Bary | Collector unspecified s.n. | 17 May 1921 | United States of America | Washington | Pullman. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Peronospora ficariae (Nees) C.Tul. | H. S. Jackson s.n. | 02 Apr 1915 | United States of America | Oregon | Orenco | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora aestivalis Syd. | K. Starcs N. 2928 | 25 Apr 1945 | Germany | — | Thuringen, Kr. Weimar: Weimar | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora aestivalis Syd. | A. Khan 1755 | 23 Mar 1950 | Pakistan | — | Malir, Karachi City | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora aestivalis Syd. | H. Roivainen 2321 | 08 Feb 1970 | Argentina | Santa Cruz | "Perito Moreno, en borde del… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora aestivalis Syd. | J. Kochman s.n. | 03 Sep 1958 | Poland | — | Wilanow, Zawady, Warsaw | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora aestivalis Syd. | H. Roivainen 2417 | 13 Feb 1970 | Argentina | Santa Cruz | "Lago Buenos Aires E, Estancia… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | A. Ludwig s.n. | 10 Aug 1918 | Germany | — | Oetinger Tälchen | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | P. Alanko s.n. | 08 Sep 1968 | Sweden | — | Nylandia, Helsinki, rural borough, on… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | C. J. Johanson s.n. | 09 Jul 1887 | Sweden | — | Uppsala | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | N. Ranojevic s.n. | 18 May 1910 | Serbia | — | Top?ider, Belgrade | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | G. B. Traverso s.n. | May 1903 | Italy | — | Padova | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | P. Sydow s.n. | Aug 1884 | Germany | — | Wilmersdorf, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | F. K. A. E. J. von Thümen s.n. | aestate 1872 | Czech Republic | — | Turmitz, Bohemia | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | P. Sydow s.n. | 04 Aug 1900 | Germany | — | Zehlendorf, Steglitz-Zehlendorf, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | A. Feuilleaubois 779 | Juin 1885 | France | — | Fontainebleau, Seine-et-Marne | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora affinis Rossmann | Collector unspecified s.n. | Juni 73 | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alchemillae G.H.Otth | Collector unspecified s.n. | Oct 1879 | Switzerland | — | Zürich | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alchemillae G.H.Otth | Collector unspecified s.n. | Jun 1872 | Czech Republic | — | Teplitz, Bohemia [Bohemia is present… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | A. B. Seymour s.n. | May 1882 | United States of America | Illinois | Union Co. Cobden | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | J. F. Brenckle s.n. | 01 Jun 1927 | United States of America | South Dakota | Spink Co. Northville | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | Y. Tokubuchi s.n. | 18 Jun 1891 | Japan | — | Sapporo | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | Collector unspecified s.n. | vere 1880 | Argentina | — | Parque de Palermo, Buenos Aires | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. C. Hennings s.n. | 1894 | Germany | — | Grunewald, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. Sydow s.n. | Jun 1887 | Germany | — | Lichterfelde, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. C. Hennings s.n. | Oct 1894 | Germany | — | Grunewald, Halensee Colonie, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | J. T. C. Vestergren s.n. | 10 Jul 1903 | Sweden | — | Lapponia Tornensis, Vassijaure | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | F. K. A. E. J. von Thümen s.n. | aestate 1872 | Czech Republic | — | Bílina, Bohemia | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. Sydow s.n. | Jun 1894 | Germany | — | Jungfernheide, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. Sydow s.n. | May 1884 | Germany | — | Grunewald, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | F. Fautrey s.n. | mars 1897 | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | F. Fautrey s.n. | mars 1897 | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | W. Krieger s.n. | 09 May 1890 | Germany | — | Nossen | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. Sydow s.n. | Novbr 1885 | Germany | — | Wilmersdorf, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. Sydow s.n. | Jul 1896 | Germany | — | Lichterfelde, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. C. Hennings s.n. | March | Germany | — | Halensee Colonie, Grunewald, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | W. Krieger s.n. | Mai 1800, 95, Juni 1887 | Germany | Saxony | Konigstein | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | P. Sydow s.n. | Aug 1895 | Germany | — | Wilmersdorf, Berlin | — |  |  |   |  | 
                       
                        
                            
                            
                                | Peronospora alsinearum Casp. | A. Vill s.n. | May 1897 | Germany | — | Hafsfurt, Unterfranken | — |  |  |   |  |