| Name | Isoetes riparia Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| Placed in | Isoetes Linnaeus |
| Contains | Isoetes riparia var. canadensis Engelmann |
| GUID | urn:lsid:ipni.org:names:130593-2 |
| Holdings | 165 Specimens held in the Harvard University Herbaria identified as Isoetes riparia Engelmann |
| Identification made in | [no date] (144), 1957 (1), 1958 (1), 1980 (3), 1993 (4), 1994 (3), 1998 (5), 2000 (1), 2018 (3) |