| Name | Premna crassa var. yui Moldenke |
| Authorship | Moldenke |
| Rank | Variety |
| Placed in | Premna crassa Handel-Mazzetti |
| Citation | 1967 Phytologia 18(7): 421. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Premna crassa var. yui Moldenke |
| Identification made in | 2012 (1) |