| Populus
alba
L. white poplar Introduced |
               
|
| Populus
balsamifera
L. balsam poplar Watch-Listed |
    
|
| Populus
deltoides
Bartram ex Marsh. eastern cottonwood Introduced |
                            
|
| Populus
grandidentata
Michaux bigtooth aspen Native |
                                     
|
| Populus
heterophylla
L. swamp cottonwood Endangered |
   
|
| Populus
x jackii
Sarg. = P. balsamifera x deltoides balm-of-Gilead Introduced |
|
| Populus
nigra
L. Lombardy poplar, black poplar Introduced |
            
|
| Populus
tremuloides
Michaux trembling aspen Native |
                                           
|