| Classification | Rubiaceae: Ophiorrhiza | 
| Harvard University Herbaria Barcode(s) | 02604125 | 
| Collector | Rahmat Si Boeea | 
| Collector number | 9084 | 
| Country | Indonesia | 
| State | Sumatera Utara (North Sumatra) | 
| Geography | Asia: Southeast Asia (Region): Indonesia: Sumatera: Sumatera Utara (North Sumatra): Asahan | 
| Locality | Vicinity of Tomoean Dolok (Topographic Sheet 29, northwest quarter) | 
| Date Collected | 1936-06-10 - 1936-06-15 | 
| Verbatim Elevation | 1000 m | 
| Project | All Asia Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/67c41723-0cea-4271-914b-940bc21ad89d | 
| Harvard University Herbaria Barcode | 02604125 | 
| Herbarium | A | 
| Family | Rubiaceae | 
| Determination | Ophiorrhiza exserta Ridl. | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |