| Classification | Plantaginaceae: Callitriche |
| Harvard University Herbaria Barcode(s) | 00466660 |
| Collector | N. C. Fassett |
| Collector number | 20931 |
| Country | United States of America |
| State | Arkansas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas |
| Locality | Small brook between WEst Fork and Devils Den State Park |
| Date Collected | 1939-04-18 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2997ed0c-1303-482b-90ba-769b53ad709a |
| Harvard University Herbaria Barcode | 00466660 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of the University of Wisconsin |
| Family | Plantaginaceae |
| Determination | Callitriche heterophylla Pursh |
| Determined by | Philbrick, Charles Thomas |
| Date Determined | 1991 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |