| Name | Alstonia constricta F. Mueller |
| Authorship | F. Mueller |
| Rank | Species |
| Placed in | Alstonia R. Brown |
| Citation | 1858. Fragm. (Mueller) 1(3): 57. |
| Holdings | 25 Specimens held in the Harvard University Herbaria identified as Alstonia constricta F. Mueller |
| Identification made in | [no date] (2), 1995 (20), 1997 (1), 2000 (2) |