| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 02074657 |
| Collector | J. W. Adams |
| Collector number | 3445 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Carbon County |
| Locality | Grass Lake, 2.5 mi NE of Albrightsville |
| Date Collected | 1937-06-24 |
| Habitat | in shallow water, peaty and gravelly bottom, margin |
| Container | Eastern Pennsylvania |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cfcefa2c-5b06-49ec-9a73-6852d5fe9f89 |
| Harvard University Herbaria Barcode | 02074657 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium of the Morris Arboretum |
| Family | Isoetaceae |
| Determination | Isoetes echinospora Durieu |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
