| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Ixora thwaitesii Hook.f. | J. D. Griffis s.n. June 1978 | Puerto Rico. Vieques. | 839654 |  | |
| Ixora thwaitesii Hook.f. | 01326644 |  | |||
| Ixora thwaitesii Hook.f. | E. L. Little Jr. 25740 10 Sep 1971 | Puerto Rico. San Juan. Río Piedras. Agricultural Experiment Station. | 01326645 |  | |
| Ixora thwaitesii Hook.f. | B. M. Boom 10904 with Chelsea Specht, 12 Mar 1996 | Puerto Rico. Rincón. Grounds of the Horned Dorset Primavera. | 330797 |  | |
| Ixora thwaitesii Hook.f. | A. H. Liogier 36830 Jun 1989 | Puerto Rico. Botanic Garden, Rio Piedras. | 01326643 |  |