| Classification | Isoetaceae: Isoetes | 
| Harvard University Herbaria Barcode(s) | 00668079 | 
| Type Status | Syntype | 
| Collector | E. L. Rand | 
| 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: Mount Desert (Hancock County) | 
| Locality | Mount Desert | 
| Date Collected | 1893-09-30 [Sept. 30 1893] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a4038821-2c1e-46f9-bc31-2692ac9a06f2 | 
| Harvard University Herbaria Barcode | 00668079 | 
| Herbarium | NEBC | 
| Family | Isoetaceae | 
| Type Status | Syntype | 
| Syntype of | Isoetes tuckermani var. borealis A. A. Eaton | 
| Verified by | Kittredge, Walter Tobey | 
| Date Determined | 2020 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Isoetes tuckermani var. borealis A. A. Eaton) Fernwort Pap. 1900. 10. | 
| Family | Isoetaceae | 
| Determination | Isoetes lacustris Linnaeus | 
| Determined by | Haines, Arthur Duane | 
| Date Determined | 2001 | 
| Determination Remarks | [current name] | 
| Annotation Text | Some material (at least) is Isoetes lacustris L. | 
| Family | Isoetaceae | 
| Determination | Isoetes tuckermani var. borealis A. A. Eaton | 
| Determination Remarks | [label name] | 
| Family | Isoetaceae | 
| Determination | Isoetes tuckermani var. borealis A. A. Eaton | 
| Determined by | [annotation on provenance label] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |