| Name | Potamogeton capillaceus var. atripes Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Potamogeton capillaceus Poiret |
| GUID | urn:lsid:ipni.org:names:208771-2 |
| Citation | 1937 Rhodora 39: 380 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Potamogeton capillaceus var. atripes Fernald |
| Identification made in | [no date] (2), 1974 (1), 1986 (1), 2012 (2) |