| Calvatia craniiformis (Schwein.) Fr. | P. G. Wible | 15 Nov 1941 | United States of America | Pennsylvania | Indiana Co. Near Indiana | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | O. E. Jennings | 13 Sep 1941 | United States of America | Pennsylvania | Westmoreland Co. Shades Ravine, NE… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | L. K. Henry 4114 | 09 Sep 1941 | United States of America | Pennsylvania | Allegheny Co. Woods, 1.0 mile… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | F. H. Beer | 06 Nov 1948 | United States of America | Pennsylvania | Beaver Co. Near Independence | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | E. Mason | 16 Nov 1941 | United States of America | Pennsylvania | Allegheny Co. W of Imperial | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | K. L. Howard 13 | 11 Nov 1961 | United States of America | Massachusetts | Franklin Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | C. E. Lykern | 07 Sep 1941 | United States of America | Connecticut | Near Norwalk | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | G. H. Sumstine | 04 Sep 1950 | United States of America | Pennsylvania | Montgomery Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | G. H. Sumstine | 05 Nov 1945 | United States of America | Pennsylvania | Allegheny Co. Near Centerville | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | G. H. Sumstine | 24 Sep 1944 | United States of America | Pennsylvania | Philadelphia Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | D. E. Stone | 19 Oct 1963 | United States of America | Missouri | Iron Co. Possum Trot Farm,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | D. E. Stone | 19 Oct 1963 | United States of America | Missouri | Iron Co. About a mile… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | D. E. Stone | 22 Oct 1962 | United States of America | Missouri | Near Reuter, Mark Twin National… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | P. J. S. J. Rick 647 | 1928 | Brazil | Santa Catarina | Along the Uruguay River, San… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | L. G. Ouye | 26 Apr 1958 | United States of America | Kansas | Pottawatomie Co. Pottawatomie Co. State… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | R. L. Shaffer RLS411 | 12 Jul 1951 | United States of America | Kansas | Riley Co. Wildcat Creek at… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | R. L. Shaffer RLS415 | 24 Jul 1951 | United States of America | Kansas | Riley Co. Pawpaw Glen southeast… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | R. L. Shaffer RLS542 | 12 Sep 1951 | United States of America | Kansas | Riley Co. Pawpaw Gle;n, southeast… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | R. L. Shaffer RLS557 | 13 Sep 1951 | United States of America | Kansas | Riley Co. Along Wildcat Creek… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | R. L. Shaffer RLS549 | 13 Sep 1951 | United States of America | Kansas | Riley Co. West of Sunset… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | R. L. Shaffer RLS541 | Sep 12 | United States of America | Kansas | Riley Co. Pawpaw Glen, southeast… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | E. A. Smith 1247 | Jul 1938 | United States of America | Texas | Eastland Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | W. B. Cooke 5432 | 23 Aug 1935 | United States of America | Ohio | Highland Co. The 7 Caves | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | W. B. Cooke 5719 | 13 Sep 1935 | United States of America | Ohio | Clermont Co. Dark Hollow | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | D. E. Stone | 14 Nov 1961 | United States of America | Louisiana | De Soto Parish. Near Grand… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | H. E. Bigelow 14979 | 08 Oct 1966 | United States of America | Connecticut | Litchfield Co. Miles Wildlife Sanctuary | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | H. E. Bigelow 128 | Sep 1950 | United States of America | Massachusetts | Franklin Co. Near Pumping Station,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | H. E. Bigelow 127 | Sep 1950 | United States of America | Ohio | Lorain Co. Stoney Brook, Henrietta… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | H. E. Bigelow 16896 | 05 Nov 1971 | United States of America | Virginia | Montgomery Co. Jefferson National Forest,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | H. E. Bigelow 19168 | 12 Sep 1985 | United States of America | Massachusetts | Franklin Co. Baptist Hill | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | A. E. Edgecombe | — | United States of America | Illinois | Cook Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | W. C. Stevenson | 1896 | United States of America | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | J. Wright | Fall 1938 | United States of America | Indiana | Montgomery Co. Conner's Woods | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa252 | 1961 | United States of America | Pennsylvania | Chester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa1054-6 | 1961 | United States of America | Pennsylvania | Chester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa229 | 1961 | United States of America | Pennsylvania | Chester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa2240 | 1961 | United States of America | Pennsylvania | Chester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa2603 | 1961 | United States of America | Pennsylvania | Chester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade 228 | 1961 | United States of America | Pennsylvania | Chester Co. West Chester. [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa2466 | 1961 | United States of America | Pennsylvania | Chester Co. West Chester. [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa1056 | 1961 | United States of America | Pennsylvania | Chester Co. West Chester. [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa259 | — | United States of America | Pennsylvania | Chester Co. West Chester. [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Ps2513 | 1961 | United States of America | Pennsylvania | Chester Co. Westchester [=West Chester].… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | M. Espenshade Pa875 | 1961 | United States of America | Pennsylvania | Chester Co. West Chester. [Inferred… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | O. E. Jennings | 22 Dec 1919 | United States of America | Florida | Polk Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | G. H. Sumstine | 03 Sep 1940 | United States of America | Pennsylvania | Butler Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | O. E. Jennings | 31 Oct 1931 | United States of America | Pennsylvania | Allegheny Co. Abandoned upland fields,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | D. R. Sumstine | 17 Nov 1941 | United States of America | Pennsylvania | Butler Co. Near Culversville | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | D. R. Sumstine | 13 Sep 1940 | United States of America | Pennsylvania | Westmoreland Co. Near Saltsburg, Kiski[minetas… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Calvatia craniiformis (Schwein.) Fr. | W. H. Ballou 30-17 | 26 Jan 1910 | United States of America | New Jersey | Hackensack Swamp | — |  |  |  |  |