| Classification | Onagraceae: Ludwigia |
| Classification 1 | Onagraceae: Ludwigia |
| Harvard University Herbaria Barcode(s) | 00312707 |
| Type Status | Holotype |
| Collector | E. H. Eames |
| Collector number | 11498 |
| Country | United States of America |
| State | Rhode Island |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island: Washington County |
| Locality | Charleston, at Watchaug Pond, about two miles from outer coast and one mile from a salt water bay |
| Date Collected | 1932-09-12 |
| Elevation | 11 m |
| Verbatim Elevation | 37 ft. |
| Habitat | Beach |
| Substrate | In moist pure sand |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1e8f67da-5f8d-4927-8d59-8708f101c186 |
| Harvard University Herbaria Barcode | 00312707 |
| Herbarium | GH |
| Family | Onagraceae |
| Type Status | Holotype |
| Holotype of | Ludwigia lacustris Eames |
| Verified by | Peng, Ching I |
| Date Determined | 1982 |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | pro syn. |
| Taxon Reference | (for Ludwigia lacustris Eames) Rhodora 1933. 35: 228. |
| Family | Onagraceae |
| Determination | Ludwigia lacustris Eames |
| Determined by | Raven, Peter Hamilton |
| Date Determined | 1967 |
| Annotation Text | pro sp. HOLOTYPE |
| Family | Onagraceae |
| Determination | Ludwigia lacustris Eames |
| Determined by | Munz, Philip Alexander |
| Date Determined | 1942 |
| Family | Onagraceae |
| Determination | Ludwigia lacustris Eames |
| Determined by | Weatherby, Charles Alfred |
| Date Determined | 1933 |
| Annotation Text | Type |
| Family | Onagraceae |
| Determination | Ludwigia natans Elliott |
| Determination Remarks | [label name] |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
