| Panaeolus separatus (L.) Quél. | O. K. Miller 23047 | 05 Jun 1988 | United States of America | Idaho | Valley Co. Field near Old… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus foenisecii (Pers. & Fr.) J.Schröt. | O. K. Miller 23279 | 12 Mar 1989 | United States of America | California | Trinity Co. Salyer | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus foenisecii (Pers. & Fr.) J.Schröt. | O. K. Miller 23645 | 14 May 1989 | Australia | Western Australia | Currie Hall, W. Australia Campus,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus | C. B. Wolfe 2079 | 15 Jun 1989 | United States of America | Pennsylvania | Franklin Co. PA 997, 3… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus antillarum (Fr.) Dennis | A. E. Franco-Molano 338 | 28 Mar 1990 | Bolivia | El Beni | Rurrenabaque | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus antillarum (Fr.) Dennis | A. E. Franco-Molano 338 | 28 Mar 1990 | Bolivia | El Beni | José Ballivián Prov. Rurrenabaque | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus separatus (L.) Quél. | O. K. Miller 24393 | 06 Jul 1990 | United States of America | Idaho | Trail to Twin Lakes above… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus campanulatus (L.:Fr.) Quél. | O. K. Miller 24585 | 15 May 1991 | United States of America | Hawaii | Hilo on Parker Ridge, on… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus subbalteatus (Berk. & Broome) Sacc. | H. D. Thiers 53519 | 10 Jun 1991 | United States of America | California | San Francisco Co. Campus, S.F.… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Panaeolus subbalteatus (Berk. & Broome) Sacc. | N. W. Legon s.n. | 14 Jul 1992 | United Kingdom | England | Surrey Admin. Co. Windsor Great… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Panaeolus campanulatus (L.:Fr.) Quél. | O. K. Miller 25650 | 05 Jul 1993 | United States of America | Idaho | near Upper Payette lake, Payette… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus campanulatus (L.:Fr.) Quél. | O. K. Miller 25735 | 30 Jul 1993 | United States of America | Montana | Silver Bow Co. Nami &… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus semiovatus (Fr.) S.Lundell | O. K. Miller 26314 | 20 Jun 1995 | United States of America | Montana | Lake Co. on loop road,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus foenisecii (Pers. & Fr.) J.Schröt. | O. K. Miller 28039 | 24 Jul 2002 | United States of America | Idaho | Valley Co. lawn of Lowell… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus campanulatus (L.:Fr.) Quél. | O. K. Miller 28097 | 22 Nov 2002 | Belize | Cayo | Douglas d Silva Forestry Camp | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus subbalteatus (Berk. & Broome) Sacc. | Joel L. Horman s.n. | 14 Oct 2010 | United States of America | New York | Suffolk Co. Prosser Pines County… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus atrobalteatus Pegler & A.Henrici | Joel L. Horman s.n. | 18 Sep 2014 | United States of America | New York | Suffolk Co. Wertheim NWR | — |  |  |   |  | 
                       
                        
                            
                            
                                | Panaeolus fraxinophilus A.H.Sm. | S. Jakob s.n. | 31 Oct 2021 | United States of America | New York | Westchester Co. Odell Ave | — |  |  |   |  | 
                       
                        
                            
                            
                                | Panaeolus | S. A. Rehner | — | Malaysia | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus castaneifolius (Murrill) A.H.Sm. | — | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panaeolus campanulatus (L.) Quél. | R. T. Orr 428 | — | United States of America | California | Shasta Co. Whiskey Creek Lodge | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lepista panaeolus (Fr.) P.Karst. | J. Dearness s.n. | Sept. 10-30, 1915 | Canada | Ontario | London | — |  |  |   |  | 
                       
                        
                            
                            
                                | Lepista panaeolus (Fr.) P.Karst. | Harris s.n. | s.d. | United States of America | New Hampshire | Lebanon | — |  |  |   |  | 
                       
                        
                            
                            
                                | Panaeolus sphinctrinus (Fr.) Quél. | Collector unspecified 124 | s.d. | — | — |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Panaeolus sphinctrinus (Fr.) Quél. | Collector unspecified s.n. | s.d. | — | — |  | — |  |  |   |  |