| Classification | Onagraceae: Ludwigia | 
| Barcode(s) | 00312709 | 
| Type Status | Holotype | 
| Collector | W. R. Carter | 
| Collector number | 128 | 
| Country | Canada | 
| State | British Columbia | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: British Columbia | 
| Locality | Vancouver Island, Sproat Lake | 
| Date Collected | 1914-07-** | 
| Habitat | gravelly shore  | 
| Substrate | sand, mud & gravel | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6091ae42-a79b-4937-904c-16acbd11df82 | 
| Harvard University Herbaria Barcode | 00312709 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Type Status |  Holotype | 
| Holotype of |  Ludwigia palustris var. pacifica Fernald & Griscom | 
| Verified by | Peng, Ching I | 
| Date Determined | 1982 | 
| Determination Remarks |  [filed under] | 
| Taxon Reference | (for  Ludwigia palustris var. pacifica Fernald & Griscom) Rhodora 1935. 37: 136. | 
| Family | Onagraceae | 
| Determination |  Ludwigia palustris (Linnaeus) Elliott | 
| Determined by | Peng, Ching I | 
| Date Determined | 1982 | 
| Determination Remarks |  [current name] | 
| Family | Onagraceae | 
| Determination |  Ludwigia palustris var. pacifica Fernald & Griscom | 
| Determined by | Fernald, Merritt Lyndon | 
| Annotation Text | n. var. Type | 
| Family | Onagraceae | 
| Determination | InQuestion Ludwigia palustris (Linnaeus) Elliott | 
| Determination Remarks |  [label name] | 
| Family | Onagraceae | 
| Determination |  Ludwigia palustris (Linnaeus) Elliott | 
| Determined by | P. H. Raven & C. L. Schmidt | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |