| Classification | Pontederiaceae: Pontederia |
| Harvard University Herbaria Barcode(s) | 00864244 |
| Collector | E. F. Williams |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts |
| Locality | Barnstable Town |
| Date Collected | 1897-09-12 [Sept. 12, 1897] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9db0aeb0-19d3-11e6-b5e0-001ec9fd629b |
| Harvard University Herbaria Barcode | 00864244 |
| Herbarium | GH |
| Family | Pontederiaceae |
| Determination | Pontederia cordata Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |