| Name | Isoetes ovata N. Pfeiffer |
| Authorship | N. Pfeiffer |
| Rank | Species |
| Placed in | Isoetes Linnaeus |
| GUID | urn:lsid:ipni.org:names:130584-2 |
| Citation | 1922 Ann. Missouri Bot. Gard. 9: 108 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Isoetes ovata N. Pfeiffer |
| Identification made in | [no date] (1), 1946 (1), 1998 (2) |