| 
                                    Polygonum alaskanum Brenckle
                                 | 
                                J. P. Anderson 6011 | 
                                05 Aug 1939 | 
                                United States of America | 
                                Alaska | 
                                Wiseman | 
                                holotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Taphrina americana Mix
                                 | 
                                J. P. Anderson T1193 | 
                                22 Jun 1923 | 
                                United States of America | 
                                Alaska | 
                                Shagway | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Aster yukonensis Cronquist
                                 | 
                                J. P. Anderson 9384 | 
                                23 Jul 1944 | 
                                Canada | 
                                Yukon | 
                                South end of Lake Kluane | 
                                holotype | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Picea sitchensis (Bong.) Carrière
                                 | 
                                J. P. Anderson s.n. | 
                                14 Sep 1941 | 
                                United States of America | 
                                Alaska | 
                                Juneau | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Picea sitchensis (Bong.) Carrière
                                 | 
                                J. P. Anderson s.n. | 
                                14 Sep 1941 | 
                                United States of America | 
                                Alaska | 
                                Juneau | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Picea mariana (Mill.) Britton, Sterns & Poggenb.
                                 | 
                                J. P. Anderson 6820 | 
                                16 Jun 1941 | 
                                United States of America | 
                                Alaska | 
                                Moose Pass | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Thuja plicata Donn ex D.Don
                                 | 
                                J. P. Anderson 681 | 
                                06 Jul 1918 | 
                                United States of America | 
                                Alaska | 
                                Wrangell | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Juniperus communis L.
                                 | 
                                J. P. Anderson 682 | 
                                04 Jul 1918 | 
                                United States of America | 
                                Alaska | 
                                Petersburg. | 
                                — | 
                                 | 
                                 | 
                                
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Abies lasiocarpa (Hook.) Nutt.
                                 | 
                                J. P. Anderson 675 | 
                                07 Jul 1918 | 
                                Canada | 
                                British Columbia | 
                                Great Glacier, Stickine River | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Abies lasiocarpa (Hook.) Nutt.
                                 | 
                                J. P. Anderson 677 | 
                                20 Aug 1918 | 
                                United States of America | 
                                Alaska | 
                                Skagway | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Abies lasiocarpa (Hook.) Nutt.
                                 | 
                                J. P. Anderson 676 | 
                                20 Aug 1918 | 
                                United States of America | 
                                Alaska | 
                                Skagway | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Atelophragma harringtonii Rydb.
                                 | 
                                J. P. Anderson 1787 | 
                                20 Jul 1922 | 
                                United States of America | 
                                Alaska | 
                                Matanuska | 
                                type | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Tsuga mertensiana (Bong.) Carrière var. mertensiana
                                 | 
                                J. P. Anderson 6447 | 
                                23 May 1941 | 
                                United States of America | 
                                Alaska | 
                                Near Juneau | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Penstemon procerus Graham var. procerus
                                 | 
                                J. P. Anderson 1897 | 
                                11 Jun 1922 | 
                                Canada | 
                                Yukon | 
                                Whitehorse | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Bromus tectorum L.
                                 | 
                                J. P. Anderson 2093 | 
                                17 Jul 1923 | 
                                United States of America | 
                                Alaska | 
                                Wells, near Haines | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Tsuga heterophylla (Raf.) Sarg.
                                 | 
                                J. P. Anderson s.n. | 
                                28 Apr 1941 | 
                                United States of America | 
                                Alaska | 
                                Juneau | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Penstemon gormanii Greene
                                 | 
                                J. P. Anderson 1898 | 
                                25 Jun 1922 | 
                                Canada | 
                                Yukon | 
                                Dawson | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Solanum nigrum L.
                                 | 
                                J. P. Anderson 605 | 
                                25 Jul 1917 | 
                                United States of America | 
                                Alaska | 
                                Juneau | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Echinochloa muricata var. microstachya Wiegand
                                 | 
                                J. P. Anderson 260 | 
                                26 Sep 1917 | 
                                United States of America | 
                                Alaska | 
                                Juneau. | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Astragalus alpinus L. var. alpinus
                                 | 
                                J. P. Anderson 521 | 
                                04 Jul 1917 | 
                                United States of America | 
                                Alaska | 
                                Juneau | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Astragalus alpinus L. var. alpinus
                                 | 
                                J. P. Anderson 1780 | 
                                10 Jul 1922 | 
                                United States of America | 
                                Alaska | 
                                Fairbanks | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Astragalus alpinus L. var. alpinus
                                 | 
                                J. P. Anderson 1771 | 
                                10 Jun 1922 | 
                                Canada | 
                                Yukon | 
                                Whitehorse | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Astragalus australis (L.) Lam.
                                 | 
                                J. P. Anderson 1768 | 
                                10 Jun 1922 | 
                                Canada | 
                                Yukon | 
                                Whitehorse | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Astragalus eucosmus B.L.Rob.
                                 | 
                                J. P. Anderson 1777 | 
                                20 Jun 1922 | 
                                Canada | 
                                Yukon | 
                                Carmacks | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 | 
                            
                       
                        
                            
                            
                                | 
                                    Astragalus robbinsii var. harringtonii (Rydb.) Barneby
                                 | 
                                J. P. Anderson 1261 | 
                                02 Aug 1921 | 
                                United States of America | 
                                Alaska | 
                                Glacier Bay | 
                                — | 
                                 | 
                                 | 
                                
                                                                      
                                                                  | 
                                
                                    
                                 |