| Name | Psychotria leptothyrsa var. yapensis Fosberg |
| Authorship | Fosberg |
| Rank | Variety |
| Placed in | Psychotria leptothyrsa Miquel |
| Citation | 1991 Allertonia 6(3): 260 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Psychotria leptothyrsa var. yapensis Fosberg |
| Identification made in | 1987 (1), 2015 (2) |