| Lactarius piperatus (L.:Fr.) Pers. | P. Wible | 15 Aug 1955 | United States of America | Montana | Near West Yellowstone | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | F. H. Beer | 07 Aug 1948 | United States of America | Pennsylvania | Fayette Co. Indian Cr. Reservoir,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 01 Aug 1951 | United States of America | Pennsylvania | Greene Co. 4 mi. S… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 23 Sep 1947 | United States of America | Pennsylvania | Clearfield Co. 2 mi S… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 3900 | 03 Aug 1940 | United States of America | Pennsylvania | Allegheny Co. Woods, 1-2 mi… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 2968 | 01 Aug 1939 | United States of America | Pennsylvania | Allegheny Co. Wooded valley, 1… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 06 Sep 1947 | United States of America | Pennsylvania | Westmoreland Co. Laurel Ridge, Forbes… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 14 Aug 1958 | United States of America | Pennsylvania | Westmoreland Co. Cabin area, Powdermill… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 3102 | 31 Jul 1943 | United States of America | Pennsylvania | Allegheny Co. Woods, 1 mi.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 4812 | 04 Aug 1941 | United States of America | Pennsylvania | Butler Co. Woods along Little… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | F. H. Beer | 31 Jul 1948 | United States of America | Pennsylvania | Venango Co. Rt. 62 near… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 2309 | 17 Aug 1938 | United States of America | Pennsylvania | Schuylkill Co. Hawk Mt., near… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 2926 | 13 Jul 1939 | United States of America | Pennsylvania | Beaver Co. Temple Hollow woods… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 2184 | 06 Aug 1938 | United States of America | Pennsylvania | Butler Co. Upland woods, east… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 30 Jul 1952 | United States of America | Pennsylvania | Bedford Co. Lutzville | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 03 May 1956 | United States of America | Pennsylvania | Westmoreland Co. Powdermill Nature Reserve,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | E. Oberlin | 22 Sep 1946 | United States of America | Pennsylvania | Indiana Co. Rochester Mills | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | A. Arnheim | 10 Aug 1947 | United States of America | Pennsylvania | Allegheny Co. Rochester Rd., nr.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry 5043 | 21 Aug 1941 | United States of America | Pennsylvania | Centre Co. Along Tom Titt… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 09 Sep 1947 | United States of America | Pennsylvania | Somerset Co. 4 mi. SW… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | F. H. Beer | 27 Aug 1949 | United States of America | Pennsylvania | Beaver Co. Rt. 151, 5… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | F. H. Beer | 25 Aug 1949 | United States of America | Pennsylvania | Somerset Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 10 Aug 1949 | United States of America | Pennsylvania | Jefferson Co. 5.5 mi. NE… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 25 Jul 1949 | United States of America | Pennsylvania | Allegheny Co. 2 mi. SW… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 09 Aug 1949 | United States of America | Pennsylvania | Jefferson Co. "Beartown Rocks," 5.0… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | L. K. Henry | 27 Jul 1949 | United States of America | Pennsylvania | Somerset Co. Laurel Hill State… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | E. West 10579 | 16 Jul 1935 | United States of America | Florida | Alachua Co. Newnan's Lake | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | V. Newman | 20 Jan 1981 | United States of America | Louisiana | Saint Tammany Parish. Delta Regional… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | S. Ristich | 11 Jul 1939 | United States of America | Pennsylvania | Beaver Co. Glenn's Hollow, Alliquippa | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | S. M. Camazine 82082003 | 20 Aug 1982 | United States of America | Pennsylvania | Vicinity East Stroudsberg | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 8465 | 30 Aug 1959 | United States of America | Massachusetts | Franklin Co. Mt. Toby | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 17 Sep 1947 | United States of America | Pennsylvania | Westmoreland Co. Near Waterford | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 31 Jul 1944 | United States of America | Pennsylvania | Clarion Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 13 Aug 1948 | United States of America | Pennsylvania | Clinton Co. Near Lamar | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 06 Aug 1950 | United States of America | Pennsylvania | Centre Co. State College Campus | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 11 Jul 1948 | United States of America | Pennsylvania | Bedford Co. Near Bedford | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine s.n. | 13 Jul 1951 | United States of America | Pennsylvania | Bedford Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | O. E. Jennings | 10 Sep 1905 | United States of America | Pennsylvania | Fayette Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | O. E. Jennings | 1905 | United States of America | Pennsylvania | Fayette Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. Kinzer | 09 Jul 1905 | United States of America | Pennsylvania | Fayette Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 09 Sep 1947 | United States of America | Pennsylvania | Clarion Co. Cook Forest [State… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. R. Sumstine | 11 Aug 1949 | United States of America | Pennsylvania | Centre Co. College Campus State… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | E. P. Goldsmith | 03 Aug 1951 | United States of America | North Carolina | Near Biological Laboratory, Highlands | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | A. Pilát | 15 Sep 1972 | Czech Republic | — | Bohemia. Hanov near Konstantinovy Lázne,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. Madden 947 | 05 Sep 1967 | United States of America | Massachusetts | Off Rt. 202, N. of… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | A. L. Welden s.n. | 01 Sep 1968 | United States of America | Ohio | Hocking Co. Hocking State Forest | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | A. L. Welden | 13 Aug 1977-14 Aug 1977 | United States of America | Mississippi | Jackson Co. Ocean Spring | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | D. A. Reid | 18 Sep 1968 | United States of America | Louisiana | Saint Tammany Parish. Talisheek | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | A. L. Welden 375 | 7 Jun 1957 | United States of America | Louisiana | Saint Tammany Parish. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 7463 | 14 Aug 1958 | United States of America | Massachusetts | Franklin Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | Collector unspecified H. E. Bigelow #18280 | 23 Aug 1980 | United States of America | Vermont | Near Bennington | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 14765 | 13 Aug 1966 | United States of America | Maryland | Frederick Co. Cunningham Falls State… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 7464 | 14 Aug 1958 | United States of America | Massachusetts | Franklin Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 8439 | 19 Aug 1959 | United States of America | Massachusetts | Franklin Co. Green River Rd. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 7402 | 09 Aug 1958 | United States of America | Massachusetts | Hampshire Co. Lover's Lane, U… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 17445 | 29 Jul 1975 | United States of America | Massachusetts | Franklin Co. Shelburne Falls road | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 16262 | 02 Oct 1970 | United States of America | Massachusetts | Hampshire Co. Horse Mt. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 12407 | 04 Sep 1963 | United States of America | New Hampshire | Carroll Co. Brownfield Road | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 13556 | 20 Aug 1964 | United States of America | Vermont | Lamoille Co. Bingham Falls, off… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | H. E. Bigelow 13499 | 18 Aug 1964 | United States of America | Vermont | Chittenden Co. Long Trail | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham 26- 17 | Sep 1917 | United States of America | New York | Westchester Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham s.n. | Aug 1905 | United States of America | New York | Oswego Co. Mexico Point | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | E. West s.n. | 22 Jun 1938 | United States of America | Florida | Alachua Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | — | Summer 1901 | United States of America | New York | (Cayuga Lake Basin) Coy Glen | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham 14Nov 6-45 | 06 Nov 1945 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham 5Nov 13 - 41 | 13 Nov 1941 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham 24 | 21 Aug 1945 | — | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | E. S. Earle 209 | 14 Sep 1904 | United States of America | Mississippi | O. S. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | — | 20 Aug 1915 | United States of America | New York | Washington Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | — | 08 Sep 1915 | United States of America | New York | Richmond Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | — | 11 Aug 1917 | United States of America | New York | Richmond Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham 5- 1905 | Aug 1905 | United States of America | New York | Oswego Co. Mexico Point | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | G. S. Burlingham 39- 1907 | 1907 | United States of America | North Carolina | Pink Beds | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | C. W. Dawson 39 | 06 Jul 1902 | United States of America | Ohio | Allen Co. Lima | — |  |  |  |  | 
                       
                        
                            
                            
                                | Lactarius piperatus (L.:Fr.) Pers. | Collector unspecified s.n. | s.d. | United States of America | New Jersey | Bergen Co. | — |  |  |  |  |