| Name | Isoetes saccharata var. amesii A. A. Eaton |
| Authorship | A. A. Eaton |
| Rank | Variety |
| Placed in | Isoetes saccharata Engelmann |
| Citation | 1903 Rhodora 5(59): 278 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Isoetes saccharata var. amesii A. A. Eaton |
| Identification made in | 2018 (2) |