| Classification | Isoetaceae: Isoetes | 
| Harvard University Herbaria Barcode(s) | 02074750 | 
| Collector | C. B. Hellquist | 
| Collector number | 15578 | 
| Country | United States of America | 
| State | Pennsylvania | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Bedford County | 
| Locality | along shore of Sideling Hill Creek at Silver Mills, ca. 3 miles north of Barnes Gap | 
| Date Collected | 1987-06-21 | 
| Habitat | shallow water along shore | 
| Container | Flora of Pennsylvania | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7c96afae-70d6-49b4-9567-5d10a7d69fdd | 
| Harvard University Herbaria Barcode | 02074750 | 
| Herbarium | GH | 
| Previous ownership | Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) | 
| Family | Isoetaceae | 
| Determination | Isoetes engelmannii A. Braun | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |