| Classification | Arecaceae: Calamus | 
| Harvard University Herbaria Barcode(s) | 02426320 | 
| Collector | Rahmat Si Boeea | 
| Collector number | 247 | 
| Country | Indonesia | 
| State | Sumatera Utara (North Sumatra) | 
| Geography | Asia: Southeast Asia (Region): Indonesia: Sumatera: Sumatera Utara (North Sumatra) | 
| Locality | General region of Marbau, Bilah, near Bilah Pertama (Parbasiran). | 
| Date Collected | 1928-02-** - 1928-03-** | 
| Project | All Asia Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ba9af3fa-ddea-4649-82ad-b4812662929d | 
| Harvard University Herbaria Barcode | 02426320 | 
| Herbarium | A | 
| Family | Arecaceae | 
| Determination | Calamus luridus Beccari | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |