| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 00744833 |
| Type Status | Syntype |
| Collector | M. L. Fernald |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Hancock County: Mount Desert Island |
| Locality | north of Long Pond, Mt. Desert Island |
| Date Collected | 1892-09-22 [Sept. 22, 1892] |
| Habitat | Pond |
| Container | Maine Flora, Hancock Co. |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c0747440-cc1a-4c49-9a94-264bda4b9e52 |
| Harvard University Herbaria Barcode | 00744833 |
| Herbarium | GH |
| Family | Isoetaceae |
| Determination | Isoetes ×harveyi A. A. Eaton |
| Determination Remarks | [is label name] |
| Annotation Text | n. sp. |
| Family | Isoetaceae |
| Determination | Isoetes tuckermani var. borealis A. A. Eaton |
| Determined by | Eaton, Alvah Augustus |
| Date Determined | 1903-02-** |
| Family | Isoetaceae |
| Determination | Isoetes sp. |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [is Current name] |
| Annotation Text | Isoetes lacustris x tuckermanii fide Troia et al, Phytotaxa 277(2): 101-145. 2016
|
| Family | Isoetaceae |
| Type Status | Syntype |
| Syntype of | Isoetes ×harveyi A. A. Eaton |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Isoetes ×harveyi A. A. Eaton) Fernwort Pap. 1900. 11. |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
