| Name | Potamogeton pusillus var. colpophilus Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Potamogeton pusillus Linnaeus |
| GUID | urn:lsid:ipni.org:names:208922-2 |
| Citation | 1932 Mem. Gray Herb. 3: 90 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Potamogeton pusillus var. colpophilus Fernald |
| Identification made in | [no date] (1), 1972 (1), 2012 (1) |