| Equisetum
arvense
L. field horsetail, common horsetail Native |
                               
|
| Equisetum
fluviatile
L. river horsetail Native |
                      
|
| Equisetum
hyemale
L. scouring-rush Native |
                      
|
| Equisetum
x litorale
Kuhl. ex Rupr. = E. arvense x fluviatile shore horsetail Native |
      
|
| Equisetum
pratense
Ehrh. meadow horsetail Watch-Listed |
  
|
| Equisetum
sylvaticum
L. woodland horsetail Native |
  
|
| Equisetum
variegatum
Schleicher ex Weber et Mohr variegated scouring rush Watch-Listed |
    
|