| Name | Isoetes ×heterospora A. A. Eaton |
| Authorship | A. A. Eaton |
| Rank | Species |
| Placed in | Isoetes Linnaeus |
| Citation | 1900 Fernwort Pap. 8 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Isoetes ×heterospora A. A. Eaton |
| Identification made in | [no date] (4), 2018 (3) |
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