| Classification | Pontederiaceae: Heteranthera |
| Classification 1 | Pontederiaceae: Eurystemon |
| Harvard University Herbaria Barcode(s) | 01919039 |
| Collector | B. C. Tharp |
| Collector number | 42-9 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Dimmit County |
| Locality | 90 mi SW of San Antonio |
| Date Collected | 1941-06-24 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ffb48585-e451-475f-b6e2-e7538e92d70d |
| Harvard University Herbaria Barcode | 01919039 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of the University of Texas |
| Family | Pontederiaceae |
| Determination | Heteranthera mexicana S. Watson |
| Determination Remarks | [is filed under name] |
| Family | Pontederiaceae |
| Determination | Eurystemon mexicanum (S. Watson) Alexander |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
