| Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | A. Nelson 4237 | 17 Aug 1897 | United States of America | Wyoming | Battle Lake | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 24327 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 25659 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 25619 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 24337 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 25680 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 25586 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 24391 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 25625 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 25585 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 26989 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | 1548 | 23 Jun 1991 | United States of America | Idaho | Payette Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 27739 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 26638 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | O. K. Miller 27738 | — | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | E. Bethel s.n. | 17 Jun 1897 | United States of America | Colorado |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | E. Bethel 59 | Mar 1897 | United States of America | Colorado |  | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | L. Bonar s.n. | 31 Aug 1940 | United States of America | California | High Sierra region Echo Lake,… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | E. E. Morse s.n. | Autumn, 1926 | United States of America | California | Tuolumne Co. Tuolumne Meadows, Yosemite… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | E. E. Morse 334 | Autumn, 1926 | United States of America | California | Tuolumne Co. Tuolumne Meadows, Yosemite… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | E. E. Morse s.n. | Autumn 1926 | United States of America | California | Tuolumne Co. Tuolumne Meadows, Yosemite… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | E. E. Morse 334 | Autumn 1926 | United States of America | California | Tuolumne Meadows, Yosemite Nat. Park | — |  |  |  |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | R. E. Halling 6183 | 03 Jun 1989 | United States of America | California | Sierra Co. Hwy 49 at… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | R. E. Halling 6466 | 07 Jun 1990 | United States of America | California | Sierra Co. Webber Lake Road… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden | C. T. Rogerson s.n. | 20 Aug 1986 | United States of America | Utah | Cache Co. Headwaters of Curtis… | — |  |  |   |  |