| Classification | Potamogetonaceae: Potamogeton | 
| Barcode(s) | 02648273 | 
| Collector | P. B. Phillipson | 
| Collector number | 2856 | 
| Country | Madagascar | 
| Geography | Africa: Africa (Region) (Region): Madagascar | 
| Locality | Toliara; Near Beza Mahafaly Reserve W of Betioky, Valley of Ehazoara River | 
| Date Collected | 1988-12-11 | 
| Verbatim Elevation | 175 m. | 
| Habitat | in permanent rock pools in river | 
| Project | African Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7112dac2-dd26-4362-9d30-ecb57a6e904c | 
| Harvard University Herbaria Barcode | 02648273 | 
| Herbarium | GH | 
| Previous ownership | [ex] Missouri Botanical Garden Herbarium (MO) | 
| Family | Potamogetonaceae | 
| Determination |  Potamogeton nodosus Poiret | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |