| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919196 |
| Collector | C. N. Horn & J. Wiersema |
| Collector number | 4715 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Karnes County |
| Locality | FM 81 at Cibolo Creek. E of Panna Maria. Creek in deep gorge. |
| Date Collected | 1991-08-03 |
| Habitat | in stream. Most plants submersed in riffles, some emersed on gravel bars.; covered by several cm of water, not open. |
| Container | Plants of Texas |
| Frequency | Abundant |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/907ac52c-d59a-4b9a-8838-2c23b2df5203 |
| Harvard University Herbaria Barcode | 01919196 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Newberry College |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
