| Classification | Isoetaceae: Isoetes | 
| Harvard University Herbaria Barcode(s) | 00744733 | 
| Collector | H. E. Ahles | 
| Collector number | 77676 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Hampshire County (Massachusetts): Williamsburg | 
| Locality | Williamsburg | 
| Date Collected | 1973-07-01 [July 1, 1973] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5e096a66-845a-4a2f-aad5-5029e2d8c4e6 | 
| Harvard University Herbaria Barcode | 00744733 | 
| Herbarium | NEBC | 
| Family | Isoetaceae | 
| Determination | Isoetes engelmannii A. Braun | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |