| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 00668083 |
| 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 | n. of Long P., Mt. Desert I. |
| Date Collected | 1892-09-22 [Sept. 22, 1892] |
| Habitat | Small pond |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/744150eb-6ecb-4896-9ef1-f464cc6684b1 |
| Harvard University Herbaria Barcode | 00668083 |
| Herbarium | NEBC |
| Family | Isoetaceae |
| Determination | Isoetes tuckermani A. Braun ex Engelmann |
| Determined by | [annotation on sheet] |
| Family | Isoetaceae |
| Determination | Isoetes tuckermani var. harveyi Clute |
| Determination Remarks | [is label name] |
| Family | Isoetaceae |
| Determination | Isoetes macrospora Durieu |
| Determined by | Hickey, Ralph James |
| Date Determined | 1979 |
| 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 |
