| Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | May 1843 | United States of America | New York | West Point | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | C. F. Austin | 1861 | United States of America | New Jersey | Bergen Co. Along banks of… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | J. Macoun 144 | May 1862 | Canada | — |  | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | H. Gillman 5 | 06 Jul 1866 | United States of America | Wisconsin | Whitefish Bay | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | C. J. Curtis | 1866 | United States of America | North Carolina | Macon Co. Nantejeleh [Nantahala] Mts. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | 1866 | United States of America | New York | Westchester Co. Fort Edward | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | H. Gillman | May 1868 | United States of America | Michigan | Iron River, Lake Superior | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | H. Gillman | 20 May 1868 | United States of America | Michigan | Houghton, Lake Superior | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | J. Macoun 2533 | May 1871 | Canada | — | Lake region and Ontario | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | J. Blake | Oct 1872 | United States of America | Maine | Cumberland Co. Cumberland | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | W. A. Kellerman 187 | 17 May 1873 | United States of America | New York | Tompkins Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | Apr 1874 | United States of America | New York | Montgomery Co. Yosts | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | Apr 1874 | United States of America | New York | Montgomery Co. Yosts | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | Apr 1874 | United States of America | New York | Montgomery Co. Yosts | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | D. C. Eaton | 24 May 1875 | United States of America | Connecticut | New Haven Co. Mount Carmel | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | 03 May 1877 | United States of America | Ohio | Champaign Co. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | 04 May 1877 | United States of America | Ohio | Near Urbana | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | 1878 | Canada | Ontario | Grey Co. Royston Park | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | L. M. Underwood | Early Spring 1879 | United States of America | New York | Madison Co. Swamp near S.… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | 12 Jun 1881 | United States of America | Vermont | Orange Co. Williamstown Spr. | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | — | 31 May 1882 | United States of America | New Hampshire | Notch, White Mountains | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | E. G. Britton | 21 Oct 1882 | United States of America | New York | Westchester Co. Seton Falls [=Seton… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | E. G. Britton | 21 Oct 1882 | United States of America | New York | Seton's Falls, Eastchester | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | J. Schneck 88 | Oct 1883 | United States of America | Illinois | Hanging Rock | — |  |  |  |  | 
                       
                        
                            
                            
                                | Conocephalum salebrosum Szweyk., Buczkowska & Odrzykoski | B. Page | 1883 | United States of America | Washington | Thurston Co. Olympia | — |  |  |  |  |