| Classification | Cyperaceae: Cyperus |
| Harvard University Herbaria Barcode(s) | 02412960 |
| Collector | P. van Royen |
| Collector number | 5290 |
| Country | Papua New Guinea |
| State | Western |
| Geography | Oceania: Papuasia (Region): Papua New Guinea: Western |
| Locality | Radjah Ampat, Waigeo Island, Siam river upstream of Wekasan. |
| Date Collected | 1955-01-25 |
| Verbatim Elevation | 35 m |
| Habitat | On gravelbank in river. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/87baaea9-eee7-4c9c-82d0-c47b9bc6dee0 |
| Harvard University Herbaria Barcode | 02412960 |
| Herbarium | A |
| Family | Cyperaceae |
| Determination | Cyperus cyperinus (Retzius) Valck. Suringar |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
