| Classification | Apocynaceae: Alstonia |
| Harvard University Herbaria Barcode(s) | 02182204 |
| Collector | G. Congdon |
| Collector number | 1038 |
| Country | Thailand |
| Geography | Asia: Southeast Asia (Region): Thailand |
| Locality | Tarutao Island Ow Makam. |
| Date Collected | 1981-01-12 |
| Habitat | Freshwater swamp forest. |
| Project | Plants on Edge/Endless Forms TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2bcbcc45-461f-4603-9b5f-dd534a5f63bc |
| Harvard University Herbaria Barcode | 02182204 |
| Herbarium | A |
| Family | Apocynaceae |
| Determination | Alstonia angustiloba Miquel |
| Determined by | Sidiyasa, Kade |
| Date Determined | 1995 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |