| 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                C. S. Crandall s.n. | 
                                05 Jul 1894 | 
                                United States of America | 
                                Colorado | 
                                 | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. Nelson 2236 | 
                                07 Jul 1896 | 
                                United States of America | 
                                Wyoming | 
                                Sundance Mt. | 
                                — | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. Bethel 59 | 
                                Mar 1897 | 
                                United States of America | 
                                Colorado | 
                                 | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. Bethel s.n. | 
                                17 Jun 1897 | 
                                United States of America | 
                                Colorado | 
                                 | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                A. Nelson 4237 | 
                                17 Aug 1897 | 
                                United States of America | 
                                Wyoming | 
                                Battle Lake | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                C. F. Baker s.n. | 
                                15 Aug 1902 | 
                                United States of America | 
                                Nevada | 
                                Marlette Lake. | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. Bethel s.n. | 
                                17 Jul 1907 | 
                                United States of America | 
                                Colorado | 
                                Routt Co. Steamboat Springs. | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                Collector unspecified s.n. | 
                                28 Nov 1909 | 
                                — | 
                                — | 
                                 | 
                                — | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. Bethel s.n. | 
                                03 Jun 1911 | 
                                United States of America | 
                                Colorado | 
                                Boulder Co. Lake Eldora. | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                G. G. Hedgcock s.n. | 
                                07 Aug 1911 | 
                                United States of America | 
                                Idaho | 
                                North of Bonanza. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                G. G. Hedgcock s.n. | 
                                07 Aug 1911 | 
                                United States of America | 
                                Idaho | 
                                North of Bonanza. | 
                                — | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                 s.n. | 
                                21 Aug 1911 | 
                                United States of America | 
                                Montana | 
                                Neihart. | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                Johnston s.n. | 
                                22 Dec 1917 | 
                                United States of America | 
                                California | 
                                Los Angeles Co. Claremont | 
                                — | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. E. Morse s.n. | 
                                Autumn, 1926 | 
                                United States of America | 
                                California | 
                                Tuolumne Co. Tuolumne Meadows, Yosemite… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. E. Morse 334 | 
                                Autumn, 1926 | 
                                United States of America | 
                                California | 
                                Tuolumne Co. Tuolumne Meadows, Yosemite… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. E. Morse s.n. | 
                                Autumn 1926 | 
                                United States of America | 
                                California | 
                                Tuolumne Co. Tuolumne Meadows, Yosemite… | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. E. Morse 334 | 
                                Autumn 1926 | 
                                United States of America | 
                                California | 
                                Tuolumne Meadows, Yosemite Nat. Park | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                E. Morse s.n. | 
                                1927 | 
                                United States of America | 
                                California | 
                                General Grant National Park | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                F. J. Seaver 69 | 
                                July 23-26, 1929 | 
                                United States of America | 
                                Colorado | 
                                Boulder Co. Middle Boulder Canyon | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                Collector unspecified s.n. | 
                                July 23-26, 1929 | 
                                — | 
                                — | 
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                                — | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                Collector unspecified 237 | 
                                Aug. 1-3, 1929 | 
                                United States of America | 
                                Wyoming | 
                                University of Wyoming Summer Camp. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                L. N. Goodding s.n. | 
                                Jul 1930 | 
                                United States of America | 
                                California | 
                                Siskiyou Mts. | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                P. F. Shope s.n. | 
                                17 Jun 1935 | 
                                United States of America | 
                                Colorado | 
                                Near Monarch Pass. | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                P. Wible s.n. | 
                                30 Jun 1935 | 
                                United States of America | 
                                Colorado | 
                                Routt National Forest, Rabbit Ears… | 
                                — | 
                                 | 
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                                | 
                                    Oligoporus leucospongia (Cooke & Harkn.) Gilb. & Ryvarden
                                 | 
                                W. B. Cooke 8568 | 
                                09 Jul 1937 | 
                                United States of America | 
                                California | 
                                Siskiyou Co. Along the Wagon… | 
                                — | 
                                 | 
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