| Physarum cinereum (Batsch) Pers. | F. C. Welden | 09 Mar 1966 | United States of America | Louisiana | Orleans Parish. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | A. L. Welden | 17 May 1956 | United States of America | Louisiana | Orleans Parish. Tulane Campus | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | — | 22 Jul 1954 | United States of America | Kansas | Miami Co. 5 mi SW… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | L. Schafer | 14 Jul 1955 | United States of America | Illinois | Lansing | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | H. F. Roberts | Spring 1898 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | H. F. Roberts | Spring 1898 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | — | — | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | H. F. Roberts | 1898 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | H. F. Roberts | Spring 1898 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | W. A. Kellerman | 28 Aug 1890 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | — | 25 Jul 1957 | United States of America | Kansas | Harvey Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | R. W. Heine | 29 Jul 1953 | United States of America | Kansas | Russell Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | J. T. Lung | Summer 1952 | United States of America | Kansas | Prairie Hills, 27009 W 73rd… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | — | 22 Jul 1955 | United States of America | Kansas | Riley Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | C. T. Rogerson | 11 Oct 1955 | United States of America | Kansas | Riley Co. In ravine west… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | R. C. Shoop | 23 Sep 1958 | United States of America | Louisiana | Orleans Parish. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | R. C. Shoop 86 | 23 Sep 1958 | United States of America | Louisiana | Orleans Parish. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | W. R. Buck 67809 | 23 Jun 2025 | United States of America | New York | Putnam Co. California Hill State… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | W. R. Buck 67810 | 23 Jun 2025 | United States of America | New York | Putnam Co. California Hill State… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | W. R. Buck 67729 | 02 Aug 2024 | United States of America | New York | Putnam Co. 222 Nichols Street,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Physarum cinereum (Batsch) Pers. | — | — | — | — |  | — |  |  |   |  |