| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182510 |
| Collector | Rahmat Si Boeea |
| Collector number | 8243 |
| Country | Indonesia |
| State | Sumatera Utara (North Sumatra) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Sumatera: Sumatera Utara (North Sumatra): Asahan |
| Locality | Aer Djoman, east of Serbangan; northwest corner of topographic sheet 19A. |
| Date Collected | 1935-07-** |
| Habitat | Marsh land and swamp forest. |
| Project | Plants on Edge/Endless Forms |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b2813cac-f93c-4312-9385-9a42dfd7a768 |
| Harvard University Herbaria Barcode | 02182510 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia spatulata Blume |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1996 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
