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