| Classification | Rubiaceae: Argostemma |
| Harvard University Herbaria Barcode(s) | 02604849 |
| Collector | W. N. Takeuchi & E. Sambas |
| Collector number | 18200 |
| Country | Indonesia |
| State | Sumatera Utara (North Sumatra) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Sumatera: Sumatera Utara (North Sumatra) |
| Locality | inland (N-NW) of the town of Batangtoru, Kecamatan Batangtoru, Kabupaten Tapanuli Selatan; Newmont Martabe Project site |
| Georeference | 01 32 58 N, 99 04 36 E |
| Date Collected | 2003-06-05 |
| Verbatim Elevation | 650 m |
| Habitat | hill forest around Gerhana Top |
| Project | All Asia TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d0c9d2a6-a9ac-40b9-9496-c680981d7eb6 |
| Harvard University Herbaria Barcode | 02604849 |
| Herbarium | A |
| Family | Rubiaceae |
| Determination | Argostemma involucratum Hemsl. |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
