| Psathyrella pennata (Fr.) A.Pearson & Dennis | Joel L. Horman s.n. | 25 May 2020 | United States of America | New York | Suffolk Co. Wildwood State Park | — |  |  |   |  | 
                       
                        
                            
                            
                                | Psathyrella fragrans A.H.Sm. | D. Migliorino s.n. | 16 Oct 2021 | United States of America | New York | Suffolk Co. Prosser Pines County… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Psathyrella cotonea (Quél.) Konrad & Maubl. | M. Horman s.n. | 15 Oct 2022 | United States of America | New York | Suffolk Co. Prosser Pines County… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Psathyrella spadicea (Fr.) Singer | — | — | Sweden | Stockholm |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Psathyrella madeodisca (Peck) A.H.Sm. | E. L. Murrill | Aug 1909-Sep 1909 | United States of America | New York | Westchester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Psathyrella madeodisca (Peck) A.H.Sm. | E. L. Murrill | Aug 1909-Sep 1909 | United States of America | New York | Westchester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Psathyrella candolleana (Fr.:Fr.) Maire | O. K. Miller 24698 | 31 May 1991 | Australia | Western Australia | Kings Park, Perth | — |  |  |   |  |