| Leucoagaricus naucinus (Fr.) Singer | C. L. Kramer 982 | 15 Oct 1954 | United States of America | Kansas | Douglas Co. Marvin Grove, Kansas… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | C. L. Kramer | 17 Sep 1962 | United States of America | Kansas | Riley Co. KSU campus | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | — | Sep 1949 | Canada | Yukon | Dawson. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | C. L. Kramer 982 | 15 Oct 1954 | United States of America | Kansas | Douglas Co. Marvin Grove, University… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | 1456Dugl. (illegible) | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | 1453 | 05 Oct 1955 | United States of America | Kansas | Kansas University Campus | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | A. J. Mix 1456 | 08 Oct 1955 | United States of America | Kansas | Douglas Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | C. B. Wolfe 1402 | 06 Oct 1982 | United States of America | Pennsylvania | Franklin Co. Mont Alto Campus… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | C. B. Wolfe 1402 | 06 Oct 1982 | United States of America | Pennsylvania | Franklin Co. Mont Alto Campus… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | L.R. Kneebone s.n. | 16 Sep 1949 | United States of America | Pennsylvania | Hort. woods near Park Ave.,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | L.R. Kneebone s.n. | 16 Sep 1949 | United States of America | Pennsylvania | Campus, P. S. C. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | C. B. Wolfe 1828 | 04 Oct 1985 | United States of America | Pennsylvania | Franklin Co. Coldbrook Ave., Coldbrook… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | G. H. Sumstine s.n. | 08 Oct 1940 | United States of America | Pennsylvania | Lancaster Co. "Landisdale" [Possibly Landisville] | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | G. E. Howard 2174 | 20 Aug 1933 | United States of America | Massachusetts | Norfolk Co. Wellesley College Campus,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | L. K. Henry 982 | 17 Oct 1936 | United States of America | Pennsylvania | Butler Co. east of Yellow… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | G. H. Sumstine s.n. | 08 Oct 1940 | United States of America | Pennsylvania | Lancaster Co. Landisville | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | D. R. Sumstine s.n. | 28 Sep 1938 | United States of America | Pennsylvania | Allegheny Co. Schenley Park | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | C. M. Hepner s.n. | 16 Oct 1932 | United States of America | Pennsylvania | Allegheny Co. 4 miles east… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | D. R. Sumstine s.n. | 30 May 1952 | United States of America | Pennsylvania | Allegheny Co. Parking lot near… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | H. S. Wieand s.n. | 09 Oct 1936 | United States of America | Pennsylvania | Allegheny Co. Schenley Park | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | D. R. Sumstine s.n. | 01 Aug 1906 | United States of America | Pennsylvania | Allegheny Co. Fern Hollow. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | H. E. Ahles 17285 | 26 Sep 1973 | United States of America | Massachusetts | Hampshire Co. U. Mass. campus,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | H. E. Bigelow 19263 | 01 Oct 1986 | United States of America | Massachusetts | Hampshire Co. Near Clark Hall,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | D. R. Sumstine s.n. | Sep 1903 | United States of America | Pennsylvania | Armstrong Co. Washington [Township] | — |  |  |   |  | 
                       
                        
                            
                            
                                | Leucoagaricus naucinus (Fr.) Singer | s.n. | Sep 1962 | United States of America | Massachusetts | Essex Co. Colby St., Haverhill | — |  |  |   |  |