| Classification | Ceratophyllaceae: Ceratophyllum |
| Barcode(s) | 02073423 |
| Collector | W. S. Cooper |
| Collector number | 263 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Keweenaw County: Isle Royale |
| Locality | [data not captured] |
| Date Collected | 1910-08-23 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e6d2a34-c406-45b8-849f-bae810e9340e |
| Harvard University Herbaria Barcode | 02073423 |
| Herbarium | GH |
| Family | Ceratophyllaceae |
| Determination | Ceratophyllum echinatum A. Gray |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
