| Classification | Hydrocharitaceae: Blyxa |
| Classification 1 | Hydrocharitaceae: Vallisneria |
| Barcode(s) | 00255430 |
| Collector | J. W. Helfer |
| Country | India |
| State | West Bengal |
| Geography | Asia: India (Region): West Bengal: Kolkata District: Kolkata |
| Locality | Hab. in Bengalia circa Calcuttam |
| Date Collected | 1936-08-13 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/03a6897f-f65d-4f12-a0ff-b04b5b366f3c |
| Harvard University Herbaria Barcode | 00255430 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium Musei Regni Bohemiae |
| Family | Hydrocharitaceae |
| Determination | Blyxa |
| Determined by | Na, Hye Ryun |
| Date Determined | 2005 |
| Determination Remarks | [current name] |
| Family | Hydrocharitaceae |
| Determination | Vallisneria Linnaeus |
| Determined by | R. M. Lowden |
| Date Determined | 1982 |
| Family | Hydrocharitaceae |
| Determination | Vallisneria spiralis Linnaeus |
| Determined by | K. Biswas |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Flora Indiae Orientalis Reliquiae Helferianae |