| Warnstorfia fluitans (Hedw.) Loeske | W. A. Weber B111978 | 24 Jul 2001 | United States of America | Colorado | Hinsdale Co. Slumgullion Fen, pH3.6,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia fluitans (Hedw.) Loeske | W. A. Weber B111978 | 24 Jul 2001 | United States of America | Colorado | Hinsdale Co. Slumgullion Fen, pH3.6,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia fluitans (Hedw.) Loeske | W. A. Weber B112035 | 3 Oct | United States of America | Colorado | Clear Creek Co. Iron fen,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia fluitans (Hedw.) Loeske | W. A. Weber B111981 | 24 Jul 2001 | United States of America | Colorado | Hinsdale Co. Wager's Fen, just… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia fluitans (Hedw.) Loeske | W. A. Weber B111982 | 24 Jul 2001 | United States of America | Colorado | Hinsdale Co. Wager's Fen, just… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia fluitans (Hedw.) Loeske | W. A. Weber B-111958 | 24 Jul 2001 | United States of America | Colorado | Hinsdale Co. Wager's Fen, just… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia pseudosarmentosa (Cardot & Thér.) Tuom. & T.J.Kop. | W. A. Weber 10362 | 01 Aug 1956 | United States of America | Alaska | Mt. McKinley National Park, N… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber 10165 | 24 Jul 1956 | United States of America | Alaska | Mt. McKinley Nat. Park. Tundra… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber 10165 | 24 Jul 1956 | United States of America | Alaska | Mt. McKinley Nat. Park. Tundra… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber B-110911 | 08 Jul 2000 | United States of America | Colorado | Clear Creek Co. Saddle between… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber s.n. | 19 Aug 1973 | United States of America | Wyoming | Beartooth Plateau, Cooke City to… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber 7763 | 01 Jul 1952 | United States of America | Colorado | Clear Creek Co. S side,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber s.n. | 22 Jul 1955 | United States of America | Colorado | Clear Creek Co. Rocky shore… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber 94 | 22 Jul 1955 | United States of America | Colorado | Clear Creek Co. Rocky shore… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia sarmentosa (Wahlenb.) Hedenäs | W. A. Weber s.n. | 12 Sep 1972 | United States of America | Colorado | Boulder Co. Green Lakes Valley,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia trichophylla (Warnst.) Tuom. & T.J.Kop. | W. A. Weber B-112582 | 29 Jun 2000 | United States of America | Colorado | Park Co. South Park, High… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia trichophylla (Warnst.) Tuom. & T.J.Kop. | W. A. Weber B-112515 | 01 Jun 2002 | United States of America | Colorado | Clear Creek Co. Guanella Pass,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia tundrae (Arnell) Loeske | W. A. Weber 10340 | 01 Aug 1956 | United States of America | Alaska | Mt. McKinley Natl. Park. North… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia tundrae (Arnell) Loeske | W. A. Weber 10352 | 01 Aug 1956 | United States of America | Alaska | Mt. McKinley Natl. Park. North… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia tundrae (Arnell) Loeske | W. A. Weber 10352 | 01 Aug 1956 | United States of America | Alaska | Mt. McKinley Natl. Park. North… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Warnstorfia tundrae (Arnell) Loeske | W. A. Weber 10340 | 01 Aug 1956 | United States of America | Alaska | North bank of McKinley River,… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Weissia andersoniana R.H.Zander | W. A. Weber B-113453 | 25 May 2003 | United States of America | Colorado | Montezuma Co. By Ismay Trading… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Weissia ligulaefolia (E.B.Bartram) Grout | W. A. Weber B-114027 | 15 May 2004 | United States of America | Colorado | Boulder Co. Mouth of South… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Weissiodicranum insularum W.D.Reese | W. A. Weber B-13007 | 30 Jan 1964 | Ecuador | Galápagos | Santa Cruz (Canton). | — |  |  |   |  | 
                       
                        
                            
                            
                                | Woodsia plummerae Lemmon | W. A. Weber 2574 | 24 Jul 1941 | Canada | British Columbia | Summit of Mt. Begbie Lookout… | — |  |  |   |  |