| Classification | Pontederiaceae: Pontederia |
| Harvard University Herbaria Barcode(s) | 00855487 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County: Machias |
| Locality | Machias |
| Date Collected | 1928-08-14 [Aug. 14, 1928] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/affdcb3c-19d0-11e6-b5e0-001ec9fd629b |
| Harvard University Herbaria Barcode | 00855487 |
| Herbarium | NEBC |
| Family | Pontederiaceae |
| Determination | Pontederia cordata Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |