| Classification | Apocynaceae: Alstonia |
| Barcode(s) | 02182318 |
| Collector | Ambriansyah & Z. Arifin |
| Collector number | Berau 1091 |
| Country | Indonesia |
| State | Kalimantan Timur (East Kalimantan) |
| Geography | Asia: Southeast Asia (Region): Indonesia: Kalimantan: Kalimantan Timur (East Kalimantan) |
| Locality | Berau, km 15 from Labanan, LBN transect C, Berau Forest Man[a]gement Project (BFMP) Swakelola, Labanan. |
| Georeference | 2° 00' N, 117° 00' E |
| Date Collected | 1997-12-17 |
| Habitat | Primary forest. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/243ad704-e8dc-4b0d-9d82-d1d33c4871d1 |
| Harvard University Herbaria Barcode | 02182318 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia angustifolia Wallich |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1998 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
