| Salix
aegyptiaca
L. musk willow, Persian willow Introduced |
              
|
| Salix
alba
L. white willow Introduced |
            
|
| Salix
atrocinerea
Brotero = S. cinerea ssp. oleifolia (Smith) Macreight rusty willow Invasive |
                                                                                                                  
|
| Salix
atrocinerea x S. humilis
rusty willow x upland willow Introduced |
            
|
| Salix
atrocinerea × S. bebbiana
rusty willow × Bebb's willow Introduced |
                   
|
| Salix
atrocinerea × S. discolor
rusty willow × American pussy willow Introduced |
       
|
| Salix
atrocinerea × S. occidentalis
rusty willow × dwarf upland willow Introduced |
    
|
| Salix
atrocinerea/cinerea complex
rusty and ash willow with hybrids Invasive |
                         
|
| Salix
babylonica hybrids
= S. ×sepulcralis = S. babylonica x alba Babylon willow hybrid complex Introduced |
                 
|
| Salix
bebbiana
Sarg. Bebb's willow Native |
                                       
|
| Salix
candida
Fluegge ex Willd. hoary willow Watch-Listed |
                  
|
| Salix
cinerea
L. ash willow Invasive |
                                   
|
| Salix
discolor
Muhl. large pussy willow Native |
                                                                           
|
| Salix
elaeagnos
Scop. olive willow, rosemary willow Introduced |
  
|
| Salix
eriocephala
Michaux heartleaf willow Native |
                                                          
|
| Salix
euxina
Belyaeva = S. fragilis auct. in part. West Asian willow Introduced |
                 
|
| Salix
exigua ssp. interior
(Rowlee) Cronq. = S. exigua ssp. interior (Rowlee) Cronq. sandbar willow Threatened |
                
|
| Salix
gracilistyla
Miq. rose-gold pussy willow Introduced |
     
|
| Salix
humilis
Marsh. prairie willow, upland willow Native |
                                                                                    
|
| Salix
integra var. albo-marginata
Thunb. 'Albo-Marginata' variegated entireleaf willow Introduced |
 
|
| Salix
lucida
Muhl. shining willow Native |
                     
|
| Salix
nigra
Marsh. black willow Native |
                                                                
|
| Salix
occidentalis
Walter = S. humilis var. microphylla (Anderss.) Fern. = S. tristis Ait. dwarf upland willow Native |
                                                                                        
|
| Salix
pedicellaris
Pursh bog willow Watch-Listed |
                                    
|
| Salix
pentandra x S. ×fragilis
= S. pentandra x (S. alba x S. euxina) hybrid willow Introduced |
                        
|
| Salix
petiolaris
J.E.Smith slender willow, meadow willow Native |
                                           
|
| Salix
purpurea
L. basket willow Introduced |
                
|
| Salix
purpurea × S. viminalis
basket willow × common osier Introduced |
|
| Salix
sericea
Marsh. silky willow Native |
                                            
|
| Salix
serissima
(Bailey) Fern. autumn willow Watch-Listed |
                              
|
| Salix
viminalis
L. common osier Introduced |
 
|
| Salix
×conifera
Wangenh. (pro sp.) = S. discolor x humilis pussy willow × upland willow Native |
        
|
| Salix
×fragilis
L. brittle willow Introduced |
                      
|
| Salix
×jesupii
Fern. = S. lucida x alba Jesup's willow (white willow × shining willow) Introduced |
                 
|
| Salix
×meyeriana
Rostk. = S. pentandra x S. euxina, S. pentandra auct. in part Meyer's willow Introduced |
    
|
| Salix
×smithiana
Willd. = S. caprea (or cinerea) x viminalis Smith's willow Introduced |
        
|