| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919134 |
| Collector | P. D. Knieskern |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: New York City |
| Locality | [no additional data] |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0887c839-149d-4be3-b8b8-8b0ba888bbe3 |
| Harvard University Herbaria Barcode | 01919134 |
| Herbarium | GH |
| Previous ownership | Ex herb. P. D. Knieskern, M. D.; [Ex] Herb. John A. Lowell. Transferred from the Boston Society of Natural History to the Gray Herbarium of Harvard University, October 2, 1941 |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determined by | Horn, Charles N. |
| Date Determined | 1995 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
