| Classification | Pontederiaceae: Pontederia | 
| Harvard University Herbaria Barcode(s) | 02068343 | 
| Collector | W. D. Longbottom with [data not captured] | 
| Collector number | 3692 | 
| Country | United States of America | 
| State | Maryland | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Anne Arundel County | 
| Locality | Town of Glen Burnie, at the head Marley Creek south of MD Rt. 10. | 
| Date Collected | 1993-07-16 | 
| Container | Plants of Maryland | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c3f25c72-2271-4f15-97bf-16a1f2ab0a0e | 
| Harvard University Herbaria Barcode | 02068343 | 
| Herbarium | GH | 
| Previous ownership | [ex] D. H. Williams Herbarium Anne Arundel Community College Arnold, Maryland | 
| Family | Pontederiaceae | 
| Determination | Pontederia cordata Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |