| Isoetes
acadiensis
Kott Acadian quillwort Endangered |
     
|
| Isoetes
engelmannii A.Br. or I. x foveolata
A.A.Eat. ex Dodge = I. engelmannii x tuckermanii quillwort Native |
         
|
| Isoetes
sp. (no macrospores)
quillwort Native |
|
| Isoetes
tuckermanii
A.Br. ex Engelm. Tuckerman's quillwort Native |
                   
|