| Classification | Isoetaceae: Isoetes | 
| Harvard University Herbaria Barcode(s) | 01104611 | 
| Collector | A. S. Pease | 
| Collector number | 25977 | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County: Grand Lake Stream Plantation | 
| Locality | Big Lake | 
| Date Collected | 1937-07-23 | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/70d55b32-02d6-4671-b29e-e4a77166fb51 | 
| Harvard University Herbaria Barcode | 01104611 | 
| Herbarium | NEBC | 
| Family | Isoetaceae | 
| Determination | Isoetes echinospora Durieu | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |