| Classification | Onagraceae: Ludwigia | 
| Harvard University Herbaria Barcode(s) | 00312708 | 
| Type Status | Holotype | 
| Collector | E. H. Eames | 
| Collector number | 11475 | 
| Country | United States of America | 
| State | Connecticut | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Connecticut: New Haven County: Guilford | 
| Locality | West Pond | 
| Date Collected | 1933-08-22 | 
| Habitat | In 0.5 to 2.5 m. water | 
| Frequency | Plentiful | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/59f7c195-6b27-4d2a-aef8-88b2ff0abc85 | 
| Harvard University Herbaria Barcode | 00312708 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Type Status | Holotype | 
| Holotype of | Ludwigia lacustris f. aquatilis Eames | 
| Verified by | Peng, Ching I | 
| Date Determined | 1982 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Ludwigia lacustris f. aquatilis Eames) Rhodora 1933. 35: 229. | 
| Family | Onagraceae | 
| Determination | Ludwigia lacustris Eames | 
| Determined by | Peng, Ching I | 
| Date Determined | 1982 | 
| Determination Remarks | [current name] | 
| Family | Onagraceae | 
| Determination | Ludwigia lacustris Eames | 
| Determined by | Raven, Peter Hamilton | 
| Date Determined | 1967 | 
| Family | Onagraceae | 
| Determination | Ludwigia lacustris Eames | 
| Determined by | Munz, Philip Alexander | 
| Family | Onagraceae | 
| Determination | Ludwigia lacustris f. aquatilis Eames | 
| Determined by | [pen annotation on sheet] | 
| Annotation Text | type | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |