| Name | Potamogeton illinoensis Morong |
| Authorship | Morong |
| Rank | Species |
| Placed in | Potamogeton |
| GUID | urn:lsid:ipni.org:names:603255-1 |
| Holdings | 360 Specimens held in the Harvard University Herbaria identified as Potamogeton illinoensis Morong |
| Identification made in | [no date] (281), 1941 (57), 1942 (8), 1966 (1), 1978 (2), 1979 (2), 1980 (1), 1981 (1), 1988 (3), 2012 (4) |