| Classification | Sparganiaceae: Sparganium | 
| Barcode(s) | 00947425 | 
| Collector | H. A. Gleason & H. A. Gleason, Jr. | 
| Collector number | 313 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County | 
| Locality | Douglas Lake. northern end of the Lower Peninsula | 
| Date Collected | 1933-08-10 | 
| Habitat | In quiet shallow waters | 
| Container | Plants of Michigan | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3c61eebb-418b-4759-b65d-bfb0d9f9fbec | 
| Harvard University Herbaria Barcode | 00947425 | 
| Herbarium | GH | 
| Family | Sparganiaceae | 
| Determination |  Sparganium angustifolium Michaux | 
| Determined by | Nicholls, Marc S. | 
| Date Determined | 1985 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |