| Name | Potamogeton foliosus var. fibrillosus (Fernald) Haynes & Reveal |
| Authorship | (Fernald) Haynes & Reveal |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Potamogeton foliosus Rafinesque |
| GUID | urn:lsid:ipni.org:names:888654-1 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Potamogeton foliosus var. fibrillosus (Fernald) Haynes & Reveal |
| Identification made in | [no date] (15), 1972 (1) |