| Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 12 Sep 1937 | United States of America | Pennsylvania | Lycoming Co. English Center | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 05 Sep 1934 | United States of America | Pennsylvania | Huntingdon Co. Ross Run | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 28 Jul 1940 | United States of America | Pennsylvania | Huntingdon Co. Laurel Run | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 01 Sep 1937 | United States of America | Pennsylvania | Bradford Co. Wyalusing | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 02 Aug 1940 | United States of America | Pennsylvania | Westmoreland Co. Forbes State Forest | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 22 Jul 1939 | United States of America | Pennsylvania | Westmoreland Co. Pike Run, near… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 02 Aug 1938 | United States of America | Pennsylvania | Centre Co. Shingletown Gap | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts s.n. | 16 Aug 1919 | United States of America | Pennsylvania | Centre Co. Shingletown Gap. [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | E. T. Reese s.n. | 08 Aug 1940 | United States of America | Pennsylvania | Snyder Co. Snyder-Middleswarth Forest, near… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts 2980 | 30 Aug 1915 | United States of America | Pennsylvania | Centre Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. O. Overholts 2999 | 14 Sep 1915 | United States of America | Pennsylvania | Centre Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | W. A. Murrill 1280 | July 3-8, 1905 | United States of America | Pennsylvania | Ohiopyle. Along the Youghigheny river. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | M. B. Knauz s.n. | 23 Aug 1939 | United States of America | Pennsylvania | Clarion Co. Cook Forest [State… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry 19977 | 8-10-1961 | United States of America | Pennsylvania | Butler Co. N. edge of… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | O. E. Jennings s.n. | 18 Aug 1935 | United States of America | Pennsylvania | Potter Co. Dr. Walgren's place,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry s.n. | 9/18/40 | United States of America | Pennsylvania | Butler Co. Along tributary of… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry s.n. | 10/5-6/38 | United States of America | Pennsylvania | Forest Co. Cook Forest. [Cook… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry s.n. | 7-27-49 | United States of America | Pennsylvania | Somerset Co. Laurel Hill State… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry s.n. | 9/12-13/35 | United States of America | Pennsylvania | Butler Co. 5 mi. N.… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | O. E. Jennings s.n. | 02 Sep 1907 | United States of America | Pennsylvania | Fayette Co. Ohiopyle. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | H. S. Wieand s.n. | 9/4/36 | United States of America | Pennsylvania | Venango Co. Scrubgrass Creek, 1… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | F. H. Beer s.n. | 27 Jul 1950 | United States of America | Pennsylvania | Fayette Co. Wymp's Gap. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | C. M. Hepner s.n. | 02 Sep 1933 | United States of America | Pennsylvania | Somerset Co. 3 mi. W.… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry s.n. | 7-20-49 | United States of America | Pennsylvania | Somerset Co. Woods, 6 mi.… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Gymnopus confluens (Pers.:Fr.) Antonín, Halling & Noordel. | L. K. Henry s.n. | 9/9/37 | United States of America | Pennsylvania | Butler Co. Woods, along Little… | — |  |  |   |  |