| Classification | Isoetaceae: Isoetes | 
| Complex Object | This is a complex collection object (2 items with 1 preparation) | 
| Harvard University Herbaria Barcode(s) | 00668084 | 
| Other Barcodes on Sheet | 00668085 | 
| 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 | Deer Brook Beach, Jordan Pond | 
| Date Collected | 1892-08-23 [August 23rd 1892] | 
| Habitat | at low water mark, and below | 
| Container | Flora of Mount Desert Island, Maine | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b839acc4-3cfa-48aa-a676-fe7004f104d4 | 
| Harvard University Herbaria Barcode | 00668084 | 
| Herbarium | NEBC | 
| Family | Isoetaceae | 
| Type Status | Syntype | 
| Syntype of | Isoetes ×heterospora A. A. Eaton | 
| Verified by | Kittredge, Walter Tobey | 
| Date Determined | 2018 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Isoetes ×heterospora A. A. Eaton) Fernwort Pap. 1900. 8. | 
| Family | Isoetaceae | 
| Determination | Isoetes sp. | 
| Determined by | Kittredge, Walter Tobey | 
| Date Determined | 2018 | 
| Determination Remarks | [current name] | 
| Annotation Text | Isoetes lacustris x tuckermanii fide Troia et al, Phytotaxa 277(2): 101-145. 2016 | 
| Family | Isoetaceae | 
| Determination | Isoetes macrospora Durieu | 
| Determined by | rjh [R. J. Hickey] | 
| Date Determined | 1979 | 
| Family | Isoetaceae | 
| Determination | Isoetes macrospora var. heterospora (A. A. Eaton) A. A. Eaton | 
| Determined by | [annotation on provenance label] | 
| Family | Isoetaceae | 
| Determination | Isoetes tuckermani A. Braun ex Engelmann | 
| Determined by | [annotation on sheet] | 
| Annotation Text | closer resemblence to I. Tuckermani than I. macrospora | 
| Family | Isoetaceae | 
| Determination | Isoetes ×heterospora A. A. Eaton | 
| Determined by | fide A.A.E. [A. A. Eaton] | 
| Family | Isoetaceae | 
| Determination | Isoetes echinospora var. braunii (Durieu) Engelmann | 
| Determination Remarks | [label name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |