| Amanita pantherina (DC.:Fr.) Krombh. | A. S. Methven ASM146 | 20 Oct 1981 | United States of America | California | San Francisco Co. Campus of… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Boletus edulis Bull.:Fr. | A. S. Methven ASM728 | 05 Dec 1981 | United States of America | California | Marin Co. Lumantor Ridge | — |  |  |  |  | 
                       
                        
                            
                            
                                | Suillus umbonatus E.A.Dick & Snell | A. S. Methven 1855 | 23 Oct 1982 | United States of America | California | Del Norte Co. Crescent City | — |  |  |  |  | 
                       
                        
                            
                            
                                | Suillus fuscotomentosus Thiers & A.H.Sm. | A. S. Methven 2165 | 28 Nov 1982 | United States of America | California | Yuba Co. Schoolhouse Campground, Bullards… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Suillus fuscotomentosus Thiers & A.H.Sm. | A. S. Methven 2210 | 07 Dec 1982 | United States of America | California | San Francisco Co. San Francisco… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Suillus fuscotomentosus Thiers & A.H.Sm. | A. S. Methven 658 | 28 Nov 1981 | United States of America | California | Amador Co. Pine Acres | — |  |  |  |  | 
                       
                        
                            
                            
                                | Suillus fuscotomentosus Thiers & A.H.Sm. | A. S. Methven 634 | 28 Nov 1981 | United States of America | California | Amador Co. Pine Grove | — |  |  |  |  | 
                       
                        
                            
                            
                                | Suillus fuscotomentosus Thiers & A.H.Sm. | A. S. Methven 1721 | 03 Oct 1982 | United States of America | California | El Dorado Co. Highway 50,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Tyromyces caesius (Schrad.:Fr.) Murrill | A. S. Methven ASM2242 | 08 Dec 1982 | United States of America | California | Marin Co. S. P. Taylor… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Panellus stipticus (Bull.:Fr.) P.Karst. | A. S. Methven CECIL7 | 07 Sep 1990 | United States of America | North Carolina | Macon Co. Cliffside Lake, Hwy… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius fallax A.H.Sm. & Hesler var. fallax | A. S. Methven ASM3412 | 06 Oct 1984 | United States of America | Washington | Grays Harbor Co. E Hwy… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius maculatipes Burl. | A. S. Methven R. E. Halling no.6939 | 23 Aug 1992 | United States of America | North Carolina | Macon Co. Standing Indian Campground | — |  |  |  |  | 
                       
                        
                            
                            
                                | Russula rosacea (Pers.) Fr. | A. S. Methven 2285 | 12 Dec 1982 | United States of America | California | Mendocino Co. Jackson State Forest,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Russula rosacea (Pers.) Fr. | A. S. Methven 392 | 07 Nov 1981 | United States of America | California | Mendocino Co. Jackson State Forest | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius pseudomucidus Hesler & A.H.Sm. | A. S. Methven ASM2716 | 22 Dec 1983 | United States of America | California | Mendocino Co. Jackson State Forest,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius pseudomucidus Hesler & A.H.Sm. | A. S. Methven ASM3471 | 11 Oct 1984 | United States of America | Washington | Whatcom Co. Thompson Creek, Mount… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius pseudomucidus Hesler & A.H.Sm. | A. S. Methven ASM3377 | 05 Oct 1984 | United States of America | Washington | Clallam Co. Hegley Swamp, Praire… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius pseudomucidus Hesler & A.H.Sm. | A. S. Methven ASM3361 | 04 Oct 1984 | United States of America | Washington | Jefferson Co. North Shore Drive.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Armillariella mellea (Vahl:Fr.) P.Karst. | A. S. Methven ASM270 | 31 Oct 1981 | United States of America | California | Humboldt Co. Murray Road | — |  |  |  |  | 
                       
                        
                            
                            
                                | Sarcosphaera crassa (Santi:Steud.) Pouzar | A. S. Methven ASM2469 | 18 Jun 1983 | United States of America | California | Sierra Co. Hwy 89, 4.7… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Nematoloma fasciculare (Huds.) P.Kumm. | A. S. Methven ASM3367 | 04 Oct 1984 | United States of America | Washington | Jefferson Co. North Shore Dr.,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Hypholoma fasciculare (Huds.:Fr.) P.Kumm. | A. S. Methven ASM274 | 31 Oct 1981 | United States of America | California | Humboldt Co. Murray Rd. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Clitocybe nuda (Bull.:Fr.) H.E.Bigelow & A.H.Sm. | A. S. Methven ASM235 | 31 Oct 1981 | United States of America | California | Humboldt Co. Big Lagoon | — |  |  |  |  | 
                       
                        
                            
                            
                                | Tricholoma pessundatum (Fr.:Fr.) Quél. | A. S. Methven 1937 | 06 Nov 1982 | United States of America | California | Mendocino Co. Jackson State Forest,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Tricholoma pessundatum (Fr.:Fr.) Quél. | A. S. Methven ASM2296 | 12 Dec 1982 | United States of America | California | Mendocino Co. Jackson State Forest,… | — |  |  |  |  |