| Classification | Onagraceae: Jussiaea | 
| Classification 1 | Onagraceae: Ludwigia | 
| Harvard University Herbaria Barcode(s) | 00054202 | 
| Type Status | Isolectotype | 
| Collector | W. J. Burchell | 
| Collector number | 927 | 
| Country | Brazil | 
| State | Rio de Janeiro | 
| Geography | South America: South America (Region) (Region): Brazil: Rio de Janeiro | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/35aeb77d-7e94-4d21-b7f5-4ac24bcca53e | 
| Harvard University Herbaria Barcode | 00054202 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Jussiaea octonervia f. sessiliflora Micheli | 
| Verified by | A. Bornstein | 
| Taxon Reference | (for  Jussiaea octonervia f. sessiliflora Micheli) Fl. Bras. [Martius] 1875. 13(2): 171. | 
| Family | Onagraceae | 
| Determination | Ludwigia octovalvis (Jacquin) P. H. Raven | 
| Determined by | T. P. Ramamoorthy | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |