| Classification | Ceratophyllaceae: Ceratophyllum |
| Harvard University Herbaria Barcode(s) | 02659451 |
| Collector | H. Surbeck |
| Collector number | 127 |
| Country | Indonesia |
| State | Sumatera Utara (North Sumatra) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Sumatera: Sumatera Utara (North Sumatra) |
| Locality | on lake Toba near Pangoeroean |
| Date Collected | 1941-03-** |
| Project | All Asia Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/918c30f2-ebd6-4b84-abb9-cacc66a0775b |
| Harvard University Herbaria Barcode | 02659451 |
| Herbarium | A |
| Family | Ceratophyllaceae |
| Determination | Ceratophyllum demersum Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |